This adds the initial support of the Broadcom NSP pinmux driver.
Signed-off-by: NYendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com>
Reviewed-by: NRay Jui <rjui@broadcom.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>