* Freescale i.MX8MQ USB3 PHY binding

Required properties:
- compatible:	Should be "fsl,imx8mq-usb-phy" or "fsl,imx8mp-usb-phy"
- #phys-cells:	must be 0 (see phy-bindings.txt in this directory)
- reg:		The base address and length of the registers
- clocks:	phandles to the clocks for each clock listed in clock-names
- clock-names:	must contain "phy"

Optional properties:
- vbus-supply: A phandle to the regulator for USB VBUS.

Example:
	usb3_phy0: phy@381f0040 {
		compatible = "fsl,imx8mq-usb-phy";
		reg = <0x381f0040 0x40>;
		clocks = <&clk IMX8MQ_CLK_USB1_PHY_ROOT>;
		clock-names = "phy";
		#phy-cells = <0>;
	};