mpc85xx/tl-wdr4900: correct address of the gpio controller

since linux 3.19 the address of the gpio-controller changed

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>

SVN-Revision: 48794

target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts

@@ -82,7 +82,7 @@
 			};
 		};
 
-		gpio0: gpio-controller@f000 {
+		gpio0: gpio-controller@fc00 {
 		};
 
 		usb@22000 {