arm64: dts: qcom: sm6350: Add RPMHCC node

Add RPMHCC node to allow for referencing RPMH-controlled clocks in other
nodes.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210923162204.21752-4-konrad.dybcio@somainline.org

arch/arm64/boot/dts/qcom/sm6350.dtsi

@@ -477,6 +477,13 @@ apps_rsc: rsc@18200000 {
 			qcom,drv-id = <2>;
 			qcom,tcs-config = <ACTIVE_TCS 2>, <SLEEP_TCS 3>,
 					  <WAKE_TCS 3>, <CONTROL_TCS 1>;
+
+			rpmhcc: clock-controller {
+				compatible = "qcom,sm6350-rpmh-clk";
+				#clock-cells = <1>;
+				clock-names = "xo";
+				clocks = <&xo_board>;
+			};
 		};
 	};