Armada 375 USB cluster
----------------------

Armada 375 comes with an USB2 host and device controller and an USB3
controller. The USB cluster control register allows to manage common
features of both USB controllers.

Required properties:

- compatible: "marvell,armada-375-usb-cluster"
- reg: Should contain usb cluster register location and length.

Example:
	usb-cluster@18400 {
		compatible = "marvell,armada-375-usb-cluster";
		reg = <0x18400 0x4>;
	};
