ARM: dts: imx27-phytec-phycore-rdk: Remove duplicate entries for USB PHY

"compatible", "#address-cells" and "#size-cells" for USB PHY are
already described in the SOM DTS. Remove these duplicate entries.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

arch/arm/boot/dts/imx27-phytec-phycore-rdk.dts

@@ -39,10 +39,6 @@ timing0: 240x320 {
 	};
 
 	usbphy {
-		compatible = "simple-bus";
-		#address-cells = <1>;
-		#size-cells = <0>;
-
 		usbphy2: usbphy@2 {
 			compatible = "usb-nop-xceiv";
 			reg = <0>;