ARM: dts: WM8750: fix cpu compatible value

The change corrects cpu compatible property to a defined one,
see Documentation/devicetree/bindings/arm/cpus.txt

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/wm8750.dtsi

@@ -17,7 +17,7 @@
 
 		cpu {
 			device_type = "cpu";
-			compatible = "arm,arm1176ej-s";
+			compatible = "arm,arm1176jzf";
 		};
 	};