boards: imx95_evk: add zephyr,flash-controller to dts

Choose mt35xu01gbba for zephyr,flash-controller. This is needed for
building mcuboot or other application accessing flash.

Signed-off-by: Andre Heinemans <[email protected]>

Author: AndreHeinemans-NXP

boards/nxp/imx95_evk/imx95_evk_mimx9596_m7.dts

@@ -18,6 +18,7 @@
 		zephyr,flash = &itcm;
 		zephyr,sram = &dtcm;
 
+		zephyr,flash-controller = &mt35xu01gbba;
 		zephyr,console = &lpuart3;
 		zephyr,shell-uart = &lpuart3;
 	};