[ALSA] hda-codec - restore HDA sigmatel pin configs on resume

This patch restores the Intel HDA Sigmatel codec pin configuration on
resume.  Most of it is dedicated to saving the BIOS pin configuration
if necessary, so that even unrecognized chips can be resumed correctly.

Signed-off-by: Richard Fish <bigfish@asmallpond.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>