GPIO library for OF is the only user for enum of_gpio_flags.
Move it there.
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: NRob Herring <robh@kernel.org>
Reviewed-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NBartosz Golaszewski <bartosz.golaszewski@linaro.org>