[ALSA] hda-codec - Add support for Fujitsu PI1556 Realtek ALC880

This patch adds support for the Fujitsu PI1556 laptop.
Issue:  Volume knob on system maxes out lower than alsamixer (0x35 vs 0x40).
Everything else works, and audio quality is good at 0x35.

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>