[PATCH 0/2 v1.04] Add support for DWC OTG driver.

[Fushen Chen]

[PATCH 1/2 v1.04]
1. License information is under clarification.
2. Difference in v1.04 patch.
	Added drivers/usb/dwc_otg/dwc_otg_param.c to [PATCH 1/2 v1.03] patch.
	Coding style:
		Added space line after declaration.
	drivers/usb/dwc_otg/Kconfig:
		Set dwc_otg driver to host mode in [PATCH 1/2 v1.04].
		DWC_LIMITED_XFER_SIZE is selectable.