ARM: i.MX: Remove registration helper for i.MX1 USB UDC

imx_udc driver was removed from the kernel of about 10 months ago.
This patch removes a registration helper for this driver and
orphaned driver header.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

diff --cc arch/arm/mach-imx/devices/Kconfig
Simple merge

diff --cc arch/arm/mach-imx/devices/Makefile
Simple merge

diff --cc arch/arm/mach-imx/devices/devices-common.h
Simple merge

diff --cc arch/arm/mach-imx/devices/platform-imx_udc.c
Simple merge

diff --cc include/linux/platform_data/usb-imx_udc.h
Simple merge