ALSA: hda/cs8409: Add Speaker Playback Switch for Cyborg

Add support for a Speaker Playback Switch, which disables
the Amp connected to cs8409. The Switch is not added
automatically because cs8409 does not have an output amp
for the speaker NID.

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220511100207.1268321-3-sbinding@opensource.cirrus.com


Signed-off-by: Takashi Iwai <tiwai@suse.de>