[ALSA] Audigy SB0090 identification

EMU10K1/EMU10K2 driver
This add identification of Audigy 1 model SB0090 and fixes
problems with ac97 codec (mic not working).

Signed-off-by: Peter Zubaj <pzad@pobox.sk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>