Input: as5011 - convert to GPIO descriptor

This driver does not have any in-tree users but is passing a
legacy GPIO number through platform data.

Convert it to use a GPIO descriptor, new users or outoftree
users can easily be implemented using GPIO descriptor tables
or software nodes.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231129-descriptors-input-v1-4-9433162914a3@linaro.org


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>