ASoC: intel: sof_sdw: Allow direct specification of CODEC name

Add support for MFD based CODEC drivers, by allowing the CODEC name to
not be the SoundWire device directly.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20230731214257.444605-20-pierre-louis.bossart@linux.intel.com


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