gpio: da905x: Include proper header

These drivers has no business including <linux/gpio.h>, they
are drivers so include <linux/gpio/driver.h>.

Signed-off-by: Linus Walleij <[e-mail]>

drivers/gpio/gpio-da9052.c

···
 #include <linux/fs.h>
 #include <linux/uaccess.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
 #include <linux/syscalls.h>
 #include <linux/seq_file.h>
 

drivers/gpio/gpio-da9055.c

···
  */
 #include <linux/module.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
+#include <linux/gpio/driver.h>
 
 #include <linux/mfd/da9055/core.h>
 #include <linux/mfd/da9055/reg.h>