ARM: dts: add device_type prop to cpu nodes on Calxeda platforms

While device_type is considered deprecated, it is still needed for tools
like lshw to identify cpu nodes.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/ecx-2000.dts

@@ -32,6 +32,7 @@ cpus {
 
 		cpu@0 {
 			compatible = "arm,cortex-a15";
+			device_type = "cpu";
 			reg = <0>;
 			clocks = <&a9pll>;
 			clock-names = "cpu";
@@ -39,6 +40,7 @@ cpu@0 {
 
 		cpu@1 {
 			compatible = "arm,cortex-a15";
+			device_type = "cpu";
 			reg = <1>;
 			clocks = <&a9pll>;
 			clock-names = "cpu";
@@ -46,6 +48,7 @@ cpu@1 {
 
 		cpu@2 {
 			compatible = "arm,cortex-a15";
+			device_type = "cpu";
 			reg = <2>;
 			clocks = <&a9pll>;
 			clock-names = "cpu";
@@ -53,6 +56,7 @@ cpu@2 {
 
 		cpu@3 {
 			compatible = "arm,cortex-a15";
+			device_type = "cpu";
 			reg = <3>;
 			clocks = <&a9pll>;
 			clock-names = "cpu";

arch/arm/boot/dts/highbank.dts

@@ -32,6 +32,7 @@ cpus {
 
 		cpu@0 {
 			compatible = "arm,cortex-a9";
+			device_type = "cpu";
 			reg = <0>;
 			next-level-cache = <&L2>;
 			clocks = <&a9pll>;
@@ -40,6 +41,7 @@ cpu@0 {
 
 		cpu@1 {
 			compatible = "arm,cortex-a9";
+			device_type = "cpu";
 			reg = <1>;
 			next-level-cache = <&L2>;
 			clocks = <&a9pll>;
@@ -48,6 +50,7 @@ cpu@1 {
 
 		cpu@2 {
 			compatible = "arm,cortex-a9";
+			device_type = "cpu";
 			reg = <2>;
 			next-level-cache = <&L2>;
 			clocks = <&a9pll>;
@@ -56,6 +59,7 @@ cpu@2 {
 
 		cpu@3 {
 			compatible = "arm,cortex-a9";
+			device_type = "cpu";
 			reg = <3>;
 			next-level-cache = <&L2>;
 			clocks = <&a9pll>;