ARM: dts: owl-s500: Set power domains for CPU2 and CPU3

CPU2 has its own power domain PD_CPU2, and CPU3 has PD_CPU3.
Signed-off-by: Andreas Färber <afaerber@suse.de>

arch/arm/boot/dts/owl-s500.dtsi

@@ -7,6 +7,7 @@
  */
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/power/owl-s500-powergate.h>
 
 / {
 	compatible = "actions,s500";
@@ -43,6 +44,7 @@ cpu2: cpu@2 {
 			compatible = "arm,cortex-a9";
 			reg = <0x2>;
 			enable-method = "actions,s500-smp";
+			power-domains = <&sps S500_PD_CPU2>;
 		};
 
 		cpu3: cpu@3 {
@@ -50,6 +52,7 @@ cpu3: cpu@3 {
 			compatible = "arm,cortex-a9";
 			reg = <0x3>;
 			enable-method = "actions,s500-smp";
+			power-domains = <&sps S500_PD_CPU3>;
 		};
 	};