[ALSA] hda: STAC927x DMIC Cleanup

Cleaned up STAC927x and added several subsystem id's for more laptops.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>