radeon/audio: consolidate audio_init() functions

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Slava Grigorev <slava.grigorev@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 5d89b87..86cdc67 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -27,6 +27,7 @@
 #include <drm/drmP.h>
 #include "radeon.h"
 #include "radeon_asic.h"
+#include "radeon_audio.h"
 #include <drm/radeon_drm.h>
 #include "sid.h"
 #include "atom.h"
@@ -6869,7 +6870,7 @@
 		return r;
 	}
 
-	r = dce6_audio_init(rdev);
+	r = radeon_audio_init(rdev);
 	if (r)
 		return r;