boards: imx95_evk: a55: enlarge memory size

Enlarge the memory size to 10M bytes as it is not enough if run some
networking application.

Signed-off-by: Jiafei Pan <[email protected]>

Author: JiafeiPan

boards/nxp/imx95_evk/imx95_evk_mimx9596_a55.dts

@@ -43,7 +43,7 @@
 	};
 
 	dram: memory@d0000000 {
-		reg = <0xd0000000 DT_SIZE_M(1)>;
+		reg = <0xd0000000 DT_SIZE_M(10)>;
 	};
 };