ALSA: hda: revert change to 92hd83xxx power mapping

Port 0xe power mapping was incorrect set to 0x80 changed to the correct
value 0x40.
Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_sigmatel.c

@@ -334,7 +334,7 @@ static hda_nid_t stac92hd83xxx_slave_dig_outs[2] = {
 };
 
 static unsigned int stac92hd83xxx_pwr_mapping[4] = {
-	0x03, 0x0c, 0x20, 0x80,
+	0x03, 0x0c, 0x20, 0x40,
 };
 
 static hda_nid_t stac92hd83xxx_amp_nids[1] = {