Input: matrix_keyboard - remove linux/gpio.h inclusion

linux/gpio.h is going away, so remove that since the driver already
includes linux/gpio/consumer.h.

Acked-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20260710211954.1373336-10-arnd@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/keyboard/matrix_keypad.c

diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index e50a6fe..8863b74 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -16,7 +16,6 @@
 #include <linux/interrupt.h>
 #include <linux/jiffies.h>
 #include <linux/module.h>
-#include <linux/gpio.h>
 #include <linux/input/matrix_keypad.h>
 #include <linux/slab.h>
 #include <linux/of.h>