ALSA: hda - removed redundant gpio_mask

An gpio_mask value was defined twice needlessly.
Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/pci/hda/patch_sigmatel.c

@@ -3669,7 +3669,6 @@ static int patch_stac92hd71bxx(struct hda_codec *codec)
 	/* GPIO0 High = EAPD */
 	spec->gpio_mask = 0x01;
 	spec->gpio_dir = 0x01;
-	spec->gpio_mask = 0x01;
 	spec->gpio_data = 0x01;
 
 	spec->mux_nids = stac92hd71bxx_mux_nids;