dts: lpc55S6x: Fix the mapping for USB RAM

Fix the mapping for the USB RAM

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
diff --git a/dts/arm/nxp/nxp_lpc55S6x_common.dtsi b/dts/arm/nxp/nxp_lpc55S6x_common.dtsi
index ad91d3b..f291c16 100644
--- a/dts/arm/nxp/nxp_lpc55S6x_common.dtsi
+++ b/dts/arm/nxp/nxp_lpc55S6x_common.dtsi
@@ -84,19 +84,19 @@
 		compatible = "mmio-sram";
 		reg = <0x20040000  DT_SIZE_K(16)>;
 	};
-
-	usb_sram: memory@40100000 {
-		compatible = "zephyr,memory-region", "mmio-sram";
-		reg = <0x40100000  DT_SIZE_K(16)>;
-		zephyr,memory-region = "USB_SRAM";
-		zephyr,memory-region-mpu = "RAM";
-	};
 };
 
 &peripheral {
 	#address-cells = <1>;
 	#size-cells = <1>;
 
+	usb_sram: memory@100000 {
+		compatible = "zephyr,memory-region", "mmio-sram";
+		reg = <0x100000 DT_SIZE_K(16)>;
+		zephyr,memory-region = "USB_SRAM";
+		zephyr,memory-region-mpu = "RAM";
+	};
+
 	syscon: syscon@0 {
 		compatible = "nxp,lpc-syscon";
 		reg = <0x0 0x1000>;