ASoC: mediatek: mt8183: tdm hw support tdm out and 8ch i2s out

This patch refined tdm driver code, and allow tdm hw to support two
configurations in machine driver to output tdm signal or i2s signal.

Signed-off-by: Jiaxin Yu <jiaxin.yu@mediatek.com>
Link: https://lore.kernel.org/r/1566621445-26989-3-git-send-email-jiaxin.yu@mediatek.com


Signed-off-by: Mark Brown <broonie@kernel.org>