Use devm_pinctrl_register() for pin control registration and remove
need of .remove callback.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: NMasahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>