ASoC: SOF: Intel: hda-mlink: move to a dedicated module

ASoC: SOF: Intel: hda-mlink: move to a dedicated module

Some of the functions will be used for SoundWire enumeration and power
management, to avoid cycles in module dependencies and simplify
integration all the HDaudio multi-link needs to move to a dedicated
module.

Drop no longer needed headers at the same time.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20230404104127.5629-6-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>