ASoC: SOF: Intel: hda-mlink: add helpers for sync_arm/sync_go

The multi-link synchronization uses the same concept and registers,
but moved to the HDAudio extended links.

Add helpers for sync_arm and sync_go which are the basic for the bus
reset, bank switch and clock stop.

Since SoundWire is the only user of those helpers, only expose the
_unlocked versions for now.

Note that SYNCGO is a write-only bit, so no error can be reported. We
still return 0 for compatibility with the SoundWire stream management
headers.

Signed-off-by: Pierre-Louis Bossart <[email protected]>
Reviewed-by: Rander Wang <[email protected]>
Reviewed-by: Péter Ujfalusi <[email protected]>
Reviewed-by: Ranjani Sridharan <[email protected]>
Signed-off-by: Peter Ujfalusi <[email protected]>
Reviewed-by: Takashi Iwai <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

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