All new drivers should use fwnode and / or parent to provide the
necessary information to the GPIO library.

Cc: Thierry Reding <treding@nvidia.com>
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NBartosz Golaszewski <bartosz.golaszewski@linaro.org>