ARM: dts: i.MX51: digi-connectcore-jsk: Use usb-nop-xceiv usbphy for USB1

Add node describing the USB1 usbphy.

Signed-off-by: Alexander Shiyan <[e-mail]>
Signed-off-by: Shawn Guo <[e-mail]>

arch/arm/boot/dts/imx51-digi-connectcore-jsk.dts

···
 	chosen {
 		stdout-path = &uart1;
 	};
+
+	usbphy1: usbphy1 {
+		compatible = "usb-nop-xceiv";
+		clocks = <&clks IMX5_CLK_USB_PHY_GATE>;
+		clock-names = "main_clk";
+		#phy-cells = <0>;
+	};
 };
 
 &esdhc1 {
···
 &usbh1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usbh1>;
+	fsl,usbphy = <&usbphy1>;
 	dr_mode = "host";
 	phy_type = "ulpi";
 	disable-over-current;