ALSA: ymfpci - fix initial volume for 44.1kHz output

YDSXGR_BUF441OUTVOL register isn't initialized properly.  This may lead to
a silent output at full volume of unchanged "Wave Playback Volume".
	http://bugzilla.kernel.org/show_bug.cgi?id=10963

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>