arm64: dts: qcom: Add msm8916 PMU node

Add the PMU so we can get proper perf event support on this SoC.
Signed-off-by: NStephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: NAndy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/msm8916.dtsi

@@ -115,6 +115,11 @@
 		method = "smc";
 	};
 
+	pmu {
+		compatible = "arm,armv8-pmuv3";
+		interrupts = <GIC_PPI 7 GIC_CPU_MASK_SIMPLE(4)>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,