ALSA: hda - Drop azx_mixer_create()

It's just an indirection, so let the caller directly calling
snd_hda_build_controls().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c
index 7d0d044..f305c2a 100644
--- a/sound/pci/hda/hda_tegra.c
+++ b/sound/pci/hda/hda_tegra.c
@@ -516,7 +516,7 @@
 		goto out_free;
 
 	/* create mixer controls */
-	err = azx_mixer_create(chip);
+	err = snd_hda_build_controls(chip->bus);
 	if (err < 0)
 		goto out_free;