[POWERPC] mpc8272ads: Remove muram from the CPM reg property.

This is described by the muram node now.
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/boot/dts/mpc8272ads.dts

@@ -121,7 +121,7 @@ cpm@119c0 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "fsl,mpc8272-cpm", "fsl,cpm2";
-			reg = <119c0 30 0 2000>;
+			reg = <119c0 30>;
 			ranges;
 
 			muram@0 {