ASoC: Intel: boards: make common HDMI driver the default for SOF

Modify Kconfig rules for machine drivers used by SOF to pick
SND_HDA_CODEC_HDMI by default if other conditions are met. For
shared machine drivers used also by older SST driver, keep using
HDAC_HDMI.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191126145304.24204-3-pierre-louis.bossart@linux.intel.com


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