[ALSA] HDA: Add more systems to Sigmatel codec

This patch adds more Dell systems and a Panasonic laptop with
STAC9200 codecs.

Signed-off-by: Tobin Davis <tdavis@dsl-only.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>