ARM: dts: qcom: msm8974: add rpm-stats device node

Add device node for the rpm-stats pseudo device.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220726205355.598874-2-dmitry.baryshkov@linaro.org

arch/arm/boot/dts/qcom-msm8974.dtsi

@@ -762,6 +762,11 @@ wifi {
 			};
 		};
 
+		sram@fc190000 {
+			compatible = "qcom,msm8974-rpm-stats";
+			reg = <0xfc190000 0x10000>;
+		};
+
 		etf@fc307000 {
 			compatible = "arm,coresight-tmc", "arm,primecell";
 			reg = <0xfc307000 0x1000>;