Input: clps711x-keypad - get rid of OF_GPIO dependency

There is no such dependency in the driver, but it's implicitly
used to have OF property APIs available. Replace that by device
property API and get rid of OF_GPIO dependency.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220830182839.47965-1-andriy.shevchenko@linux.intel.com


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