Samsung HSOTG controller s3c-hsotg

Required properties:
  - compatible : should be "samsung,exynos-hsotg".
  - reg : should contain at least address and length of the standard HSOTG
    register set for the device.
  - interrupts : one HSOTG interrupt should be described here.

Example (Samsung Origen):

	usb@12480000 {
		compatible = "samsung,exynos-hsotg";
		reg = <0x12480000 0x20000>;
		interrupts = <0 71 0>;
	};

