clk: mediatek: gate: Export mtk_clk_register_gates_with_dev

This allows it to be used in drivers built as modules.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com>
Link: https://lore.kernel.org/r/20220813083249.45427-1-y.oudjana@protonmail.com


Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>