gpio: pca953x: Include the right header

This is a GPIO driver, include only <linux/gpio/driver.h>.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-pca953x.c

@@ -12,7 +12,7 @@
  */
 
 #include <linux/acpi.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
 #include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/init.h>