This adds the pinctrl configuration for the CS47L92 codec to
the madera pinctrl driver.
Signed-off-by: NCharles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20190722091015.20884-3-ckeepax@opensource.cirrus.comSigned-off-by: NLinus Walleij <linus.walleij@linaro.org>