[ALSA] hda - increase max_codecs of ICH to 4

It turned out that some ICH9-based boards use SD3 for the audio codec
where the current driver code doesn't probe.  Since we have a better
codec slot check now, it must be safe to increase this to 4.

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