ARM: dts: prima2: cpus/cpu node dts updates

This patch updates the in-kernel dts files according to the latest cpus
and cpu bindings updates for ARM.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Barry Song <Baohua.Song@csr.com>

arch/arm/boot/dts/prima2.dtsi

@@ -18,6 +18,8 @@ cpus {
 		#size-cells = <0>;
 
 		cpu@0 {
+			compatible = "arm,cortex-a9";
+			device_type = "cpu";
 			reg = <0x0>;
 			d-cache-line-size = <32>;
 			i-cache-line-size = <32>;