ASoC: mediatek: Add HDMI dai-links in the mt8173-rt5650-rt5676 machine driver

This creates pcmC0D2p for the HDMI playback in the same card.

Signed-off-by: Koro Chen <koro.chen@mediatek.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>