boards: arm: da1469x_dk_pro: Update partitions for 1M flash

This removes scratch parition which is not required, expands slot0
and slot1 paritions and also moves storage parition to the end of
1M flash.

Co-authored-by: Andrzej Kaczmarek <andrzej.kaczmarek@codecoup.pl>
Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@codecoup.pl>
Signed-off-by: Niek Ilmer <niek.ilmer.aj@renesas.com>
diff --git a/boards/arm/da1469x_dk_pro/da1469x_dk_pro.dts b/boards/arm/da1469x_dk_pro/da1469x_dk_pro.dts
index e1897a0..deeb86e 100644
--- a/boards/arm/da1469x_dk_pro/da1469x_dk_pro.dts
+++ b/boards/arm/da1469x_dk_pro/da1469x_dk_pro.dts
@@ -78,25 +78,26 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 
+		/*
+		 * Flash area from 0x0000 to 0x2400 is reserved
+		 * for product header added by flasher.
+		 */
+
 		boot_partition: partition@2400 {
 			label = "mcuboot";
-			reg = <0x000002400 0x00005c00>;
+			reg = <0x000002400 0x00009c00>;
 		};
-		slot0_partition: partition@8000 {
+		slot0_partition: partition@c000 {
 			label = "image-0";
-			reg = <0x00008000 0x00060000>;
+			reg = <0x0000c000 0x00076000>;
 		};
-		slot1_partition: partition@68000 {
+		slot1_partition: partition@80000 {
 			label = "image-1";
-			reg = <0x00068000 0x00060000>;
+			reg = <0x00082000 0x00076000>;
 		};
-		scratch_partition: partition@c8000 {
-			label = "image-scratch";
-			reg = <0x000c8000 0x00010000>;
-		};
-		storage_partition: partition@dc000 {
+		storage_partition: partition@f8000 {
 			label = "storage";
-			reg = <0x000dc000 0x00004000>;
+			reg = <0x000f8000 0x00008000>;
 		};
 	};
 };