boards: adi: Correct flash node assignment for MAX32655 boards

Fixes a regression introduced in commit ef6aad9 where the flash
node was incorrectly set to code_partition, causing FLASH_BASE_ADDRESS
to default to 0x0 and making the device unprogrammable.

Signed-off-by: Tahsin Mutlugun <[email protected]>

Author: ttmut

boards/adi/max32655evkit/max32655evkit_max32655_m4.dts

@@ -19,7 +19,8 @@
 		zephyr,console = &uart0;
 		zephyr,shell-uart = &uart0;
 		zephyr,sram = &sram2;
-		zephyr,flash = &code_partition;
+		zephyr,flash = &flash0;
+		zephyr,code-partition = &code_partition;
 	};
 
 	leds {

boards/adi/max32655fthr/max32655fthr_max32655_m4.dts

@@ -19,7 +19,8 @@
 		zephyr,console = &uart0;
 		zephyr,shell-uart = &uart0;
 		zephyr,sram = &sram2;
-		zephyr,flash = &code_partition;
+		zephyr,flash = &flash0;
+		zephyr,code-partition = &code_partition;
 	};
 
 	leds {