Using these macros simplify the configuration for special GPIO usage. But they
should use correct bit positions for usage in the IOMUX_PAD() macro.
Note: These are the bit positions of the i.MX35 CPU. Not checked for the other
i.MX3x CPUs.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>