ALSA: hda/tas2781: Fix PM refcount unbalance at tas2781_hda_bind()

The error path of tas2781_hda_bind() needs to release PM refcount as
well.  Modify the code flow to handle properly.

Fixes: 5be27f1e ("ALSA: hda/tas2781: Add tas2781 HDA driver")
Reported-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Closes: https://lore.kernel.org/r/9f910785-e856-1539-e3e4-c9817af5fe67@linux.intel.com
Link: https://lore.kernel.org/r/20230820172635.22236-2-tiwai@suse.de


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