[ALSA] hda-intel - Remove invalid __devinit

Some functions in hda_codec.c are called from patch ops, which are
kept in the codec instance even after initialization.  Thus they
shouldn't be marked as __devinit.

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