ARM: dts: lpc32xx: 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: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>

arch/arm/boot/dts/lpc32xx.dtsi

@@ -18,8 +18,12 @@
 	interrupt-parent = <&mic>;
 
 	cpus {
-		cpu@0 {
-			compatible = "arm,arm926ejs";
+		#address-cells = <0>;
+		#size-cells = <0>;
+
+		cpu {
+			compatible = "arm,arm926ej-s";
+			device_type = "cpu";
 		};
 	};