ALSA: wm8750: add missing VREF output

Add missing output VREF. After a65f0568f6cc8433877fb71dd7d36b551854b0bc
it's critical, since it makes chip routing initialisation to fail.

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

authored by Dmitry Baryshkov and committed by Takashi Iwai 04489eeb ea381b7b

+1
+1
sound/soc/codecs/wm8750.c
··· 350 350 SND_SOC_DAPM_OUTPUT("ROUT2"), 351 351 SND_SOC_DAPM_OUTPUT("MONO1"), 352 352 SND_SOC_DAPM_OUTPUT("OUT3"), 353 + SND_SOC_DAPM_OUTPUT("VREF"), 353 354 354 355 SND_SOC_DAPM_INPUT("LINPUT1"), 355 356 SND_SOC_DAPM_INPUT("LINPUT2"),