UPSTREAM: ASoC: hdmi-codec: Add RX support

HDMI interface can also be used as receiver, this patch is to
add such support. The most difference compare with TX is that RX
don't need to get edid information.

Bug: 239396464
Change-Id: Ib5f9f347cd50abe95fa9c8a4856bd1a91117ca67
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1606372608-2329-1-git-send-email-shengjiu.wang@nxp.com


Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
(cherry picked from commit 144f8366)