[PATCH] usb gadget: fixup pxa2xx_udc to include asm/arch/udc.h again

This fixes pxa2xx_udc.c to include asm/arch/udc.h again to fix current
build breakage.

Signed-off-by: Milan Svoboda <msvoboda@ra.rockwell.com>
[ forwarded by David Brownell <david-b@pacbell.net> ]
[ fixed to apply properly by Linus ]
Signed-off-by: Linus Torvalds <torvalds@osdl.org>