[ALSA] hda-codec - Fix Oops with AD1984 thinkpad model

Fixed Oops with AD1984 thinkpad model.  Also fixed the wrong
init verbs for NID 0x03 and 0x04, which have apparently no mute
bit.

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