gpio_export_link() is legacy and unused API, remove it for good.
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: NLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: NYanteng Si <siyanteng@loongson.cn>
Signed-off-by: NBartosz Golaszewski <bartosz.golaszewski@linaro.org>