Instead of crashing the kernel print an error message when
the fsl,pins property is missing.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Acked-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>