mvebu: GL-MV1000: let u-boot-env be writable again

Allows easily changing boot media for GL-MV1000.

Signed-off-by: Enrico Mioso <[email protected]>

target/linux/mvebu/files-6.6/arch/arm64/boot/dts/marvell/armada-3720-gl-mv1000.dts

@@ -100,7 +100,6 @@
 			partition@f0000 {
 				label = "u-boot-env";
 				reg = <0xf0000 0x8000>;
-				read-only;
 			};
 
 			factory: partition@f8000 {