dts: npcx: change the default memory configuration of npcx9m7fb

The internal flash size of npcx9m7fb is 512KB. Reduce the default
Code RAM size from 320KB to 256KB because the Code RAM size is limited
by FLASH_SIZE/2 in the Chromebook EC application.

Signed-off-by: Tom Chang <[email protected]>
Signed-off-by: Jun Lin <[email protected]>

Author: TomChang19

dts/arm/nuvoton/npcx9m7fb.dtsi

@@ -9,16 +9,16 @@
 
 / {
 	flash0: flash@10070000 {
-		reg = <0x10070000 DT_SIZE_K(320)>;
+		reg = <0x10070000 DT_SIZE_K(256)>;
 	};
 
 	flash1: flash@64000000 {
-		reg = <0x64000000 DT_SIZE_K(1024)>;
+		reg = <0x64000000 DT_SIZE_K(512)>;
 	};
 
 	sram0: memory@200c0000 {
 		compatible = "mmio-sram";
-		reg = <0x200C0000 DT_SIZE_K(64)>;
+		reg = <0x200B0000 DT_SIZE_K(128)>;
 	};
 
 	soc-id {
@@ -29,7 +29,7 @@
 &qspi_fiu0 {
 	int_flash: w25q80@0 {
 		compatible ="nuvoton,npcx-fiu-nor";
-		size = <DT_SIZE_M(1 * 8)>;
+		size = <DT_SIZE_K(512 * 8)>;
 		reg = <0>;
 		status = "okay";