ASoC: mediatek: mt8188: support etdm in platform driver

Add mt8188 etdm dai driver support.
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230116034131.23943-6-trevor.wu@mediatek.comSigned-off-by: Mark Brown <broonie@kernel.org>