gpio: of: Fix bogus reference to gpiod_get_count()

The recommended function is called gpiod_count(), not gpiod_get_count().

Fixes: f626d6df ("gpio: of: Break out OF-only code")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20191120154521.16273-1-geert+renesas@glider.beSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpiolib-of.c

@@ -27,7 +27,7 @@
  * This is used by external users of of_gpio_count() from <linux/of_gpio.h>
  *
  * FIXME: get rid of those external users by converting them to GPIO
- * descriptors and let them all use gpiod_get_count()
+ * descriptors and let them all use gpiod_count()
  */
 int of_gpio_get_count(struct device *dev, const char *con_id)
 {