ARM: S3C2416: Add support for USB 2.0 High-Speed gadget controller

Add support for USB 2.0 High-Speed gadget controller driver for Samsung's
S3C2416 processor.

Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>