ARM: dts: r8a7740: cpus/cpu nodes 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: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7740.dtsi

@@ -14,8 +14,12 @@
 	compatible = "renesas,r8a7740";
 
 	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
 		cpu@0 {
 			compatible = "arm,cortex-a9";
+			device_type = "cpu";
+			reg = <0x0>;
 		};
 	};
 };