ALSA: hda - Refresh widgets sysfs at probing Haswell+ HDMI codecs

Intel Haswell (and later) codec refreshes the widgets tree to expose
the whole widget nodes at probing.  However, this refresh was missing
for sysfs tree.

This patch adds the missing piece, as we have now a proper API.

Reported-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index a97db5f..df982fc 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -2331,6 +2331,7 @@
 	if (is_haswell_plus(codec)) {
 		intel_haswell_enable_all_pins(codec, true);
 		intel_haswell_fixup_enable_dp12(codec);
+		snd_hdac_refresh_widget_sysfs(&codec->core);
 	}
 
 	/* For Valleyview/Cherryview, only the display codec is in the display