ARM: mstar: Add PMU

Adds the ARM PMU to the base MStar v7 dtsi.
Signed-off-by: NDaniel Palmer <daniel@0x0f.com>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

arch/arm/boot/dts/mstar-v7.dtsi

@@ -40,6 +40,12 @@
 		clock-frequency = <6000000>;
 	};
 
+	pmu: pmu {
+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>;
+	};
+
 	soc: soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;