gpio_set_bias() no longer uses the passed gpio_chip pointer parameter.
Remove it.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200325100439.14000-3-geert+renesas@glider.beSigned-off-by: NLinus Walleij <linus.walleij@linaro.org>