Input: wm97xx-ts - provide missing description for 'status'

Fixes the following W=1 kernel build warning(s):

 drivers/input/touchscreen/wm97xx-core.c:204: warning: Function parameter or member 'status' not described in 'wm97xx_set_gpio'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20201112110204.2083435-12-lee.jones@linaro.orgSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/wm97xx-core.c

@@ -194,7 +194,7 @@ EXPORT_SYMBOL_GPL(wm97xx_get_gpio);
  * wm97xx_set_gpio - Set the status of a codec GPIO.
  * @wm: wm97xx device.
  * @gpio: gpio
- *
+ * @status: status
  *
  * Set the status of a codec GPIO pin
  */