ARM: dts: Fix the RPM clock controller compatible string

The right string is msm8660 and there is also apq8060, but not
apq8660, so fix this.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>

arch/arm/boot/dts/qcom-msm8660.dtsi

@@ -452,7 +452,7 @@
 			clock-names = "ram";
 
 			rpmcc: clock-controller {
-				compatible	= "qcom,rpmcc-apq8660", "qcom,rpmcc";
+				compatible	= "qcom,rpmcc-msm8660", "qcom,rpmcc";
 				#clock-cells = <1>;
 			};