ARM: shmobile: emev2: add PMU information to emev2.dtsi

Add PMU information to emev2.dtsi. With this
included KZM9D DT reference may use the PMU.
Signed-off-by: NMagnus Damm <damm@opensource.se>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/emev2.dtsi

@@ -46,6 +46,12 @@
 		      <0xe0020000 0x0100>;
 	};
 
+	pmu {
+		compatible = "arm,cortex-a9-pmu";
+		interrupts = <0 120 4>,
+			     <0 121 4>;
+	};
+
 	sti@e0180000 {
 		compatible = "renesas,em-sti";
 		reg = <0xe0180000 0x54>;