From: Arnd Bergmann <arnd@xxxxxxxx>
The change to remove the implicit gpio/driver.h include was done
after fixing all the other users, but the ar7 file still needs
the same change.
Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>
Fixes: 21d9526d13b5 ("gpiolib: Make the legacy <linux/gpio.h> consumer-only")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>