boards: frdm_mcxa153: add flash support

- enable flash support
- verified tests/drivers/flash/common

Signed-off-by: Neil Chen <cheng.chen_1@nxp.com>

boards/nxp/frdm_mcxa153/frdm_mcxa153.dts

@@ -26,6 +26,7 @@
 		zephyr,sram = &sram0;
 		zephyr,flash = &flash;
 		zephyr,flash-controller = &fmu;
+		zephyr,code-partition = &slot0_partition;
 		zephyr,console = &lpuart0;
 		zephyr,shell-uart = &lpuart0;
 	};
@@ -66,6 +67,32 @@
 	};
 };
 
+&flash {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		boot_partition: partition@0 {
+			label = "mcuboot";
+			reg = <0x00000000 DT_SIZE_K(32)>;
+			read-only;
+		};
+		slot0_partition: partition@8000 {
+			label = "image-0";
+			reg = <0x00008000 DT_SIZE_K(40)>;
+		};
+		slot1_partition: partition@12000 {
+			label = "image-1";
+			reg = <0x00012000 DT_SIZE_K(40)>;
+		};
+		storage_partition: partition@1C000 {
+			label = "storage";
+			reg = <0x0001C000 DT_SIZE_K(16)>;
+		};
+	};
+};
+
 &gpio0 {
 	status = "okay";
 };

boards/nxp/frdm_mcxa153/frdm_mcxa153.yaml

@@ -15,6 +15,7 @@ toolchain:
   - gnuarmemb
 supported:
   - dma
+  - flash
   - gpio
   - uart
 vendor: nxp