ARM: dts: msm: Add MSM8974v1 DT support for RPM master stats driver

Add support for rpm master stats driver for MSM8974v1.
RPM master stats driver is used to read the individual
master stats from the RPM MESSAGE RAM.

Cherry-Picked-From: codeaurora.org msm-3.4 commit: d8a4c185
CRs-Fixed: 517589
Change-Id: I56870f64df5def335994c36945a3b69e8bce5da6
Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org>
Signed-off-by: Naveen Ramaraj <nramaraj@codeaurora.org>

arch/arm/boot/dts/msm8974-v1-pm.dtsi

@@ -451,4 +451,13 @@
 		reg-names = "phys_addr_base";
 		qcom,sleep-stats-version = <2>;
 	};
+
+	qcom,rpm-master-stats@fc428150 {
+		compatible = "qcom,rpm-master-stats";
+		reg = <0xfc428150 0x3200>;
+		qcom,masters = "APSS", "MPSS", "LPSS", "PRONTO";
+		qcom,master-stats-version = <2>;
+		qcom,master-offset = <2560>;
+	};
+
 };