[ALSA] hda-codec - Avoid wrong speaker-auto mute via mic jack

When a mic jack is set up as the multiple I/O, it may issue the automute
function wrongly.  This patch fixes the wrong automute detection.

Signed-off-by: Jiang Zhe <zhe.jiang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>