usb: gadget: ether

Signed-off-by: Fudong Bai <fudongbai@gmail.com>
usb: gadget: port s3c2410_udc driver to u-boot

port linux-2.6.29 s3c2410_udc driver to u-boot-2010.09

build ok, not tested yet.

Signed-off-by: Fudong Bai <fudongbai@gmail.com>