* EHCI controller, Orion Marvell variants

Required properties:
- compatible: must be "marvell,orion-ehci"
- reg: physical base address of the controller and length of memory mapped
  region.
- interrupts: The EHCI interrupt

Example:

	ehci@50000 {
		compatible = "marvell,orion-ehci";
		reg = <0x50000 0x1000>;
		interrupts = <19>;
	};