pinctrl: mediatek: mt8186: Account for probe refactoring

The new MT8186 drive came in and the probe calls were
refactored at the same time. Fix it up. Fixes a build issue.

Cc: Guodong Liu <guodong.liu@mediatek.com>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>