clk: mediatek: mt8186: Join top_adj_div and top_muxes

Like done for MT8192, join the two to register them in one shot, as
there's no point in doing that separately from one another.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230120092053.182923-17-angelogioacchino.delregno@collabora.com


Tested-by: Mingming Su <mingming.su@mediatek.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>