ARM: dts: qcom: msm8226: Add rpm-stats device node

Add device node for the rpm-stats pseudo device.
Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230520121933.15533-4-matti.lehtimaki@gmail.com

arch/arm/boot/dts/qcom-msm8226.dtsi

@@ -598,6 +598,11 @@ frame@f9028000 {
 			};
 		};
 
+		sram@fc190000 {
+			compatible = "qcom,msm8226-rpm-stats";
+			reg = <0xfc190000 0x10000>;
+		};
+
 		rpm_msg_ram: sram@fc428000 {
 			compatible = "qcom,rpm-msg-ram";
 			reg = <0xfc428000 0x4000>;