* LSI Zevio USB OTG Controller

Required properties:
- compatible: Should be "lsi,zevio-usb"
- reg: Should contain registers location and length
- interrupts: Should contain controller interrupt

Optional properties:
- vbus-supply: regulator for vbus

Examples:
		usb0: usb@b0000000 {
			reg = <0xb0000000 0x1000>;
			compatible = "lsi,zevio-usb";
			interrupts = <8>;
			vbus-supply = <&vbus_reg>;
		};