arm64: dts: qcom: msm8916: Add RPMCC DT node

Add the RPM Clock Controller DT node and include the necessary header
file for clocks.
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/msm8916.dtsi

@@ -524,6 +524,11 @@ rpm_requests {
 				compatible = "qcom,rpm-msm8916";
 				qcom,smd-channels = "rpm_requests";
 
+				rpmcc: qcom,rpmcc {
+					compatible = "qcom,rpmcc-msm8916", "qcom,rpmcc";
+					#clock-cells = <1>;
+				};
+
 				smd_rpm_regulators: pm8916-regulators {
 					compatible = "qcom,rpm-pm8916-regulators";