pinctrl: mxs: add raw value from device tree to debug output
Not sure this is of general interest, but it helped me matching pin
configs from a static table to device tree entries.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>