ARM: dts: tegra20/tegra30: add pmu interrupt-affinity

This is similar to tegra124 and avoids the following being reported
upon boot:

hw perfevents: no interrupt-affinity property for /pmu, guessing.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra20.dtsi

@@ -865,5 +865,7 @@ pmu {
 		compatible = "arm,cortex-a9-pmu";
 		interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&{/cpus/cpu@0}>,
+				     <&{/cpus/cpu@1}>;
 	};
 };

arch/arm/boot/dts/tegra30.dtsi

@@ -1013,5 +1013,9 @@ pmu {
 			     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&{/cpus/cpu@0}>,
+				     <&{/cpus/cpu@1}>,
+				     <&{/cpus/cpu@2}>,
+				     <&{/cpus/cpu@3}>;
 	};
 };