arm64: dts: qcom: sm8450: Add RPMh stats

SM8450 also exposes RPMh stats, hook them up for low power state
monitoring.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230811-topic-8450_stats-v1-1-f26ae3fdf2cf@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Author: konradybcio

arch/arm64/boot/dts/qcom/sm8450.dtsi

@@ -3146,6 +3146,11 @@
 			#clock-cells = <0>;
 		};
 
+		sram@c3f0000 {
+			compatible = "qcom,rpmh-stats";
+			reg = <0 0x0c3f0000 0 0x400>;
+		};
+
 		spmi_bus: spmi@c400000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg = <0 0x0c400000 0 0x00003000>,