[ALSA] HDA - Change default configuration for Fujitsu Si3515

This patch changes the default configuration for the Fujitsu Siemens
Si3515 Laptop to the correct model=laptop.

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>