Use devm_pinctrl_register() for pin control registration and clean
the error path.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: Jon Mason <jonmason@broadcom.com>
Acked-by: NRay Jui <ray.jui@broadcom.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>