adding the PMU node to the A64 .dtsi

sun50i-a64-pmu.dtsi.patch

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 80b0a49..0a7865a 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -54,28 +54,28 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		cpu@0 {
+		cpu0: cpu@0 {
 			compatible = "arm,cortex-a53", "arm,armv8";
 			device_type = "cpu";
 			reg = <0>;
 			enable-method = "psci";
 		};
 
-		cpu@1 {
+		cpu1: cpu@1 {
 			compatible = "arm,cortex-a53", "arm,armv8";
 			device_type = "cpu";
 			reg = <1>;
 			enable-method = "psci";
 		};
 
-		cpu@2 {
+		cpu2: cpu@2 {
 			compatible = "arm,cortex-a53", "arm,armv8";
 			device_type = "cpu";
 			reg = <2>;
 			enable-method = "psci";
 		};
 
-		cpu@3 {
+		cpu3: cpu@3 {
 			compatible = "arm,cortex-a53", "arm,armv8";
 			device_type = "cpu";
 			reg = <3>;
@@ -83,6 +83,18 @@
 		};
 	};
 
+	pmu {
+			compatible = "arm,cortex-a53-pmu", "arm,armv8-pmuv3";
+			interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-affinity = <&cpu0>,
+					     <&cpu1>,
+					     <&cpu2>,
+					     <&cpu3>;
+	};
+
 	psci {
 		compatible = "arm,psci-0.2";
 		method = "smc";