ALSA: hda - add ASoC device type for hda core

Add HDA_DEV_ASOC device/driver type to support
ASoC HDA drivers.

Signed-off-by: Ramesh Babu <ramesh.babu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index dbeb195..d05931f 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -90,6 +90,7 @@
 enum {
 	HDA_DEV_CORE,
 	HDA_DEV_LEGACY,
+	HDA_DEV_ASOC,
 };
 
 /* direction */