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: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi
index 1582f48..3abebb7 100644
--- a/arch/arm/boot/dts/lpc32xx.dtsi
+++ b/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";
 		};
 	};