arm64: dts: qcom: Enable RPM Sleep stats

Add device node for Sleep stats driver which provides various
low power mode stats on msm8996, msm8998, qcs404, sdm630 and
sm6125.

Cc: devicetree@vger.kernel.org
Signed-off-by: NMaulik Shah <mkshah@codeaurora.org>
Tested-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1634107104-22197-6-git-send-email-mkshah@codeaurora.org

arch/arm64/boot/dts/qcom/msm8996.dtsi

@@ -1523,6 +1523,11 @@
 			};
 		};
 
+		sram@290000 {
+			compatible = "qcom,rpm-stats";
+			reg = <0x00290000 0x10000>;
+		};
+
 		spmi_bus: qcom,spmi@400f000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg = <0x0400f000 0x1000>,

arch/arm64/boot/dts/qcom/msm8998.dtsi

@@ -2022,6 +2022,11 @@
 			};
 		};
 
+		sram@290000 {
+			compatible = "qcom,rpm-stats";
+			reg = <0x00290000 0x10000>;
+		};
+
 		spmi_bus: spmi@800f000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg =	<0x0800f000 0x1000>,

arch/arm64/boot/dts/qcom/qcs404.dtsi

@@ -719,6 +719,11 @@
 			reg = <0x01937000 0x25000>;
 		};
 
+		sram@290000 {
+			compatible = "qcom,rpm-stats";
+			reg = <0x00290000 0x10000>;
+		};
+
 		spmi_bus: spmi@200f000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg = <0x0200f000 0x001000>,

arch/arm64/boot/dts/qcom/sdm630.dtsi

@@ -1165,6 +1165,11 @@
 			status = "disabled";
 		};
 
+		sram@290000 {
+			compatible = "qcom,rpm-stats";
+			reg = <0x00290000 0x10000>;
+		};
+
 		spmi_bus: spmi@800f000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg =	<0x0800f000 0x1000>,

arch/arm64/boot/dts/qcom/sm6125.dtsi

@@ -460,6 +460,11 @@
 			};
 		};
 
+		sram@4690000 {
+			compatible = "qcom,rpm-stats";
+			reg = <0x04690000 0x10000>;
+		};
+
 		spmi_bus: spmi@1c40000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg = <0x01c40000 0x1100>,