ARM: dts: rockchip: fix missing usbphy unit-names

The usbphy subnodes do have a reg property but no unitname, add them.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rob Herring <robh@kernel.org>
diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index cb0a552..c84a306 100644
--- a/arch/arm/boot/dts/rk3066a.dtsi
+++ b/arch/arm/boot/dts/rk3066a.dtsi
@@ -207,7 +207,7 @@
 		#size-cells = <0>;
 		status = "disabled";
 
-		usbphy0: usb-phy0 {
+		usbphy0: usb-phy@17c {
 			#phy-cells = <0>;
 			reg = <0x17c>;
 			clocks = <&cru SCLK_OTGPHY0>;
@@ -215,7 +215,7 @@
 			#clock-cells = <0>;
 		};
 
-		usbphy1: usb-phy1 {
+		usbphy1: usb-phy@188 {
 			#phy-cells = <0>;
 			reg = <0x188>;
 			clocks = <&cru SCLK_OTGPHY1>;