boards: st: *: use lowercase hex for properties

Update various properties using hex values in STM32 boards DTS to comply
with the DTS Coding Style which says that "hex values in properties should
use lowercase hex".

Signed-off-by: Mathieu Choplain <mathieu.choplain-ext@st.com>
diff --git a/boards/st/nucleo_f756zg/nucleo_f756zg.dts b/boards/st/nucleo_f756zg/nucleo_f756zg.dts
index 8b176a8..4589563 100644
--- a/boards/st/nucleo_f756zg/nucleo_f756zg.dts
+++ b/boards/st/nucleo_f756zg/nucleo_f756zg.dts
@@ -197,9 +197,9 @@
 		};
 
 		/* scratch slot: 256KB */
-		scratch_partition: partition@C0000 {
+		scratch_partition: partition@c0000 {
 			label = "image-scratch";
-			reg = <0x000C0000 DT_SIZE_K(256)>;
+			reg = <0x000c0000 DT_SIZE_K(256)>;
 		};
 	};
 };
diff --git a/boards/st/nucleo_f767zi/nucleo_f767zi.dts b/boards/st/nucleo_f767zi/nucleo_f767zi.dts
index 6cd4389..37cfbdb 100644
--- a/boards/st/nucleo_f767zi/nucleo_f767zi.dts
+++ b/boards/st/nucleo_f767zi/nucleo_f767zi.dts
@@ -264,9 +264,9 @@
 		/*
 		 * Allocated 1 (256k) sector for image-scratch. Sector 11.
 		 */
-		scratch_partition: partition@1C0000 {
+		scratch_partition: partition@1c0000 {
 			label = "image-scratch";
-			reg = <0x001C0000 DT_SIZE_K(256)>;
+			reg = <0x001c0000 DT_SIZE_K(256)>;
 		};
 	};
 };
diff --git a/boards/st/nucleo_g0b1re/nucleo_g0b1re.dts b/boards/st/nucleo_g0b1re/nucleo_g0b1re.dts
index 7ac8312..1ad7fad 100644
--- a/boards/st/nucleo_g0b1re/nucleo_g0b1re.dts
+++ b/boards/st/nucleo_g0b1re/nucleo_g0b1re.dts
@@ -210,14 +210,14 @@
 			read-only;
 		};
 
-		slot0_partition: partition@C000 {
+		slot0_partition: partition@c000 {
 			label = "image-0";
-			reg = <0x0000C000 DT_SIZE_K(200)>;
+			reg = <0x0000c000 DT_SIZE_K(200)>;
 		};
 
-		slot1_partition: partition@3E000 {
+		slot1_partition: partition@3e000 {
 			label = "image-1";
-			reg = <0x0003E000 DT_SIZE_K(200)>;
+			reg = <0x0003e000 DT_SIZE_K(200)>;
 		};
 
 		/* final 64KiB reserved for app storage partition */
diff --git a/boards/st/nucleo_l4r5zi/nucleo_l4r5zi.dts b/boards/st/nucleo_l4r5zi/nucleo_l4r5zi.dts
index 0d3a5a5..c01ae37 100644
--- a/boards/st/nucleo_l4r5zi/nucleo_l4r5zi.dts
+++ b/boards/st/nucleo_l4r5zi/nucleo_l4r5zi.dts
@@ -199,9 +199,9 @@
 		#size-cells = <1>;
 
 		/* Reserve last 16KiB for property storage */
-		storage_partition: partition@1FB000 {
+		storage_partition: partition@1fb000 {
 			label = "storage";
-			reg = <0x001FB000 DT_SIZE_K(16)>;
+			reg = <0x001fb000 DT_SIZE_K(16)>;
 		};
 	};
 };
diff --git a/boards/st/sensortile_box/sensortile_box.dts b/boards/st/sensortile_box/sensortile_box.dts
index 47682bd..e583433 100644
--- a/boards/st/sensortile_box/sensortile_box.dts
+++ b/boards/st/sensortile_box/sensortile_box.dts
@@ -235,12 +235,12 @@
 
 		slot1_partition: partition@8c000 {
 			label = "image-1";
-			reg = <0x0008C000 DT_SIZE_K(432)>;
+			reg = <0x0008c000 DT_SIZE_K(432)>;
 		};
 
 		scratch_partition: partition@f8000 {
 			label = "image-scratch";
-			reg = <0x000F8000 DT_SIZE_K(24)>;
+			reg = <0x000f8000 DT_SIZE_K(24)>;
 		};
 
 		storage_partition: partition@fc000 {
diff --git a/boards/st/stm32f0_disco/stm32f0_disco.dts b/boards/st/stm32f0_disco/stm32f0_disco.dts
index 9c45d8f..e67eb84 100644
--- a/boards/st/stm32f0_disco/stm32f0_disco.dts
+++ b/boards/st/stm32f0_disco/stm32f0_disco.dts
@@ -136,7 +136,7 @@
 
 		scratch_partition: partition@c000 {
 			label = "image-scratch";
-			reg = <0x0000C000 DT_SIZE_K(16)>;
+			reg = <0x0000c000 DT_SIZE_K(16)>;
 		};
 	};
 };
diff --git a/boards/st/stm32f429i_disc1/stm32f429i_disc1.dts b/boards/st/stm32f429i_disc1/stm32f429i_disc1.dts
index db30f2f..1b08ed2 100644
--- a/boards/st/stm32f429i_disc1/stm32f429i_disc1.dts
+++ b/boards/st/stm32f429i_disc1/stm32f429i_disc1.dts
@@ -264,9 +264,9 @@
 		vfront-porch = <4>;
 	};
 
-	def-back-color-red = <0xFF>;
-	def-back-color-green = <0xFF>;
-	def-back-color-blue = <0xFF>;
+	def-back-color-red = <0xff>;
+	def-back-color-green = <0xff>;
+	def-back-color-blue = <0xff>;
 };
 
 zephyr_udc0: &usbotg_hs {
diff --git a/boards/st/stm32f746g_disco/stm32f746g_disco.dts b/boards/st/stm32f746g_disco/stm32f746g_disco.dts
index dc280d44..b235b8c 100644
--- a/boards/st/stm32f746g_disco/stm32f746g_disco.dts
+++ b/boards/st/stm32f746g_disco/stm32f746g_disco.dts
@@ -314,7 +314,7 @@
 		vfront-porch = <4>;
 	};
 
-	def-back-color-red = <0xFF>;
-	def-back-color-green = <0xFF>;
-	def-back-color-blue = <0xFF>;
+	def-back-color-red = <0xff>;
+	def-back-color-green = <0xff>;
+	def-back-color-blue = <0xff>;
 };
diff --git a/boards/st/stm32f7508_dk/stm32f7508_dk.dts b/boards/st/stm32f7508_dk/stm32f7508_dk.dts
index 8b532cc..4ac9c1c 100644
--- a/boards/st/stm32f7508_dk/stm32f7508_dk.dts
+++ b/boards/st/stm32f7508_dk/stm32f7508_dk.dts
@@ -301,7 +301,7 @@
 		vfront-porch = <4>;
 	};
 
-	def-back-color-red = <0xFF>;
-	def-back-color-green = <0xFF>;
-	def-back-color-blue = <0xFF>;
+	def-back-color-red = <0xff>;
+	def-back-color-green = <0xff>;
+	def-back-color-blue = <0xff>;
 };
diff --git a/boards/st/stm32h573i_dk/stm32h573i_dk-common.dtsi b/boards/st/stm32h573i_dk/stm32h573i_dk-common.dtsi
index 0645ac1..cc99273 100644
--- a/boards/st/stm32h573i_dk/stm32h573i_dk-common.dtsi
+++ b/boards/st/stm32h573i_dk/stm32h573i_dk-common.dtsi
@@ -137,7 +137,7 @@
 					height = <240>;
 					x-offset = <0>;
 					y-offset = <0>;
-					vcom = <0x1F>;
+					vcom = <0x1f>;
 					gctrl = <0x35>;
 					vdvs = <0x20>;
 					mdac = <0x00>;
diff --git a/boards/st/stm32h750b_dk/stm32h750b_dk-common.dtsi b/boards/st/stm32h750b_dk/stm32h750b_dk-common.dtsi
index 546cc5c..57957b2 100644
--- a/boards/st/stm32h750b_dk/stm32h750b_dk-common.dtsi
+++ b/boards/st/stm32h750b_dk/stm32h750b_dk-common.dtsi
@@ -115,9 +115,9 @@
 		vfront-porch = <4>;
 	};
 
-	def-back-color-red = <0xFF>;
-	def-back-color-green = <0xFF>;
-	def-back-color-blue = <0xFF>;
+	def-back-color-red = <0xff>;
+	def-back-color-green = <0xff>;
+	def-back-color-blue = <0xff>;
 };
 
 &pll {
diff --git a/boards/st/stm32h7b3i_dk/stm32h7b3i_dk.dts b/boards/st/stm32h7b3i_dk/stm32h7b3i_dk.dts
index db1b20f..a19e675 100644
--- a/boards/st/stm32h7b3i_dk/stm32h7b3i_dk.dts
+++ b/boards/st/stm32h7b3i_dk/stm32h7b3i_dk.dts
@@ -270,9 +270,9 @@
 		vfront-porch = <4>;
 	};
 
-	def-back-color-red = <0xFF>;
-	def-back-color-green = <0xFF>;
-	def-back-color-blue = <0xFF>;
+	def-back-color-red = <0xff>;
+	def-back-color-green = <0xff>;
+	def-back-color-blue = <0xff>;
 };
 
 &octospi1 {
diff --git a/boards/st/stm32h7s78_dk/stm32h7s78_dk-common.dtsi b/boards/st/stm32h7s78_dk/stm32h7s78_dk-common.dtsi
index 40b2d07..7b53339 100644
--- a/boards/st/stm32h7s78_dk/stm32h7s78_dk-common.dtsi
+++ b/boards/st/stm32h7s78_dk/stm32h7s78_dk-common.dtsi
@@ -348,7 +348,7 @@
 		vfront-porch = <8>;
 	};
 
-	def-back-color-red = <0xFF>;
-	def-back-color-green = <0xFF>;
-	def-back-color-blue = <0xFF>;
+	def-back-color-red = <0xff>;
+	def-back-color-green = <0xff>;
+	def-back-color-blue = <0xff>;
 };
diff --git a/boards/st/stm32h7s78_dk/stm32h7s78_dk_stm32h7s7xx_ext_flash_app.dts b/boards/st/stm32h7s78_dk/stm32h7s78_dk_stm32h7s7xx_ext_flash_app.dts
index c4f82fc..9195ea7 100644
--- a/boards/st/stm32h7s78_dk/stm32h7s78_dk_stm32h7s7xx_ext_flash_app.dts
+++ b/boards/st/stm32h7s78_dk/stm32h7s78_dk_stm32h7s7xx_ext_flash_app.dts
@@ -40,9 +40,9 @@
 			reg = <0x0 DT_SIZE_M(60)>;
 		};
 
-		slot1_partition: partition@3C00000 {
+		slot1_partition: partition@3c00000 {
 			label = "image-1";
-			reg = <0x3C00000 DT_SIZE_M(60)>;
+			reg = <0x3c00000 DT_SIZE_M(60)>;
 		};
 
 		storage_partition: partition@7800000 {
diff --git a/boards/st/stm32l562e_dk/stm32l562e_dk_common.dtsi b/boards/st/stm32l562e_dk/stm32l562e_dk_common.dtsi
index 4747ad2..f07b8c8 100644
--- a/boards/st/stm32l562e_dk/stm32l562e_dk_common.dtsi
+++ b/boards/st/stm32l562e_dk/stm32l562e_dk_common.dtsi
@@ -98,7 +98,7 @@
 					height = <240>;
 					x-offset = <0>;
 					y-offset = <0>;
-					vcom = <0x1F>;
+					vcom = <0x1f>;
 					gctrl = <0x35>;
 					vdvs = <0x20>;
 					mdac = <0x00>;
diff --git a/boards/st/stm32mp135f_dk/stm32mp135f_dk.dts b/boards/st/stm32mp135f_dk/stm32mp135f_dk.dts
index 2a7f34b..09cd25a 100644
--- a/boards/st/stm32mp135f_dk/stm32mp135f_dk.dts
+++ b/boards/st/stm32mp135f_dk/stm32mp135f_dk.dts
@@ -263,9 +263,9 @@
 		vfront-porch = <2>;
 	};
 
-	def-back-color-red = <0xFF>;
-	def-back-color-green = <0xFF>;
-	def-back-color-blue = <0xFF>;
+	def-back-color-red = <0xff>;
+	def-back-color-green = <0xff>;
+	def-back-color-blue = <0xff>;
 };
 
 /*
diff --git a/boards/st/stm32n6570_dk/stm32n6570_dk_common.dtsi b/boards/st/stm32n6570_dk/stm32n6570_dk_common.dtsi
index 8361963..ecb543d 100644
--- a/boards/st/stm32n6570_dk/stm32n6570_dk_common.dtsi
+++ b/boards/st/stm32n6570_dk/stm32n6570_dk_common.dtsi
@@ -519,9 +519,9 @@
 		vfront-porch = <8>;
 	};
 
-	def-back-color-red = <0xFF>;
-	def-back-color-green = <0xFF>;
-	def-back-color-blue = <0xFF>;
+	def-back-color-red = <0xff>;
+	def-back-color-green = <0xff>;
+	def-back-color-blue = <0xff>;
 };
 
 csi_interface: &dcmipp {