Add code to support the specific pin arrangements of the Freescale IMX50 SoC.
Signed-off-by: NGreg Ungerer <gerg@uclinux.org>
Acked-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>