There are no more users of of_gpio_count() in the mainline kernel,
remove it.
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: NBartosz Golaszewski <bartosz.golaszewski@linaro.org>