[ALSA] hda-codec - Change default config for Asus P5GD1

This patch changes the default configuration for the Asus P5GD1
motherboard from 5stack to asus, as reported by stelek on
linuxquestions.org
	http://www.linuxquestions.org/questions/showthread.php?p=2556497#post2556497



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>