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>
 
                cpu@0 {
                        compatible = "arm,cortex-a15";
+                       device_type = "cpu";
                        reg = <0>;
                        clocks = <&a9pll>;
                        clock-names = "cpu";
 
                cpu@1 {
                        compatible = "arm,cortex-a15";
+                       device_type = "cpu";
                        reg = <1>;
                        clocks = <&a9pll>;
                        clock-names = "cpu";
 
                cpu@2 {
                        compatible = "arm,cortex-a15";
+                       device_type = "cpu";
                        reg = <2>;
                        clocks = <&a9pll>;
                        clock-names = "cpu";
 
                cpu@3 {
                        compatible = "arm,cortex-a15";
+                       device_type = "cpu";
                        reg = <3>;
                        clocks = <&a9pll>;
                        clock-names = "cpu";
 
 
                cpu@0 {
                        compatible = "arm,cortex-a9";
+                       device_type = "cpu";
                        reg = <0>;
                        next-level-cache = <&L2>;
                        clocks = <&a9pll>;
 
                cpu@1 {
                        compatible = "arm,cortex-a9";
+                       device_type = "cpu";
                        reg = <1>;
                        next-level-cache = <&L2>;
                        clocks = <&a9pll>;
 
                cpu@2 {
                        compatible = "arm,cortex-a9";
+                       device_type = "cpu";
                        reg = <2>;
                        next-level-cache = <&L2>;
                        clocks = <&a9pll>;
 
                cpu@3 {
                        compatible = "arm,cortex-a9";
+                       device_type = "cpu";
                        reg = <3>;
                        next-level-cache = <&L2>;
                        clocks = <&a9pll>;