gpio: tb10x: Use the right include

This driver includes the legacy <linux/gpio.h> and
<linux/of_gpio.h> but all it needs is really <linux/gpio/driver.h>.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-tb10x.c

@@ -22,7 +22,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
 #include <linux/slab.h>
 #include <linux/irq.h>
 #include <linux/irqdomain.h>
@@ -30,7 +30,6 @@
 #include <linux/io.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
-#include <linux/of_gpio.h>
 #include <linux/spinlock.h>
 #include <linux/bitops.h>
 #include <linux/pinctrl/consumer.h>