ALSA/hda: intel-sdw-acpi: add support for sdw-manager-list property read

The DisCo for SoundWire 2.0 spec adds support for a new
sdw-manager-list property.  Add it in backwards-compatible mode with
'sdw-master-count', which assumed that all links between 0..count-1
exist.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20241001070611.63288-5-yung-chuan.liao@linux.intel.com