clk: mediatek: mt8365: Convert to mtk_clk_simple_{probe,remove}()

All clocks in this driver are supported by the common simple probe
mechanism and it's now possible to migrate to it.

While at it, also switch to using the module_platform_driver() macro.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230306140543.1813621-15-angelogioacchino.delregno@collabora.com


Signed-off-by: Stephen Boyd <sboyd@kernel.org>