[ALSA] hda-codec - Fix BIOS auto-configuration

Modules: HDA Codec driver,HDA generic driver

- Fix autoconfig speaker/hp detection
  Now it allows multiple speaker pins (e.g. Dell laptops have such config)

- Use speaker or hp pins if no line-outs are available
  This fixes the silence output on recent Dell laptops with STAC9200
  (ALSA bug#1843)

- Fix analog/realtek/sigmatel autoconfig parser

Signed-off-by: Takashi Iwai <tiwai@suse.de>