* Marvell Orion SATA

Required Properties:
- compatibility : "marvell,orion-sata" or "marvell,armada-370-sata"
- reg           : Address range of controller
- interrupts    : Interrupt controller is using
- nr-ports      : Number of SATA ports in use.

Example:

	sata@80000 {
		compatible = "marvell,orion-sata";
		reg = <0x80000 0x5000>;
		interrupts = <21>;
		nr-ports = <2>;
	}