Fix SCO server socket for HFP HF role
diff --git a/audio/main.c b/audio/main.c
index 4e5eda2..660a678 100644
--- a/audio/main.c
+++ b/audio/main.c
@@ -93,6 +93,11 @@
 	device = manager_find_device(NULL, &src, &dst, AUDIO_HEADSET_INTERFACE,
 					FALSE);
 	if (!device)
+		device = manager_find_device(NULL, &src, &dst,
+						AUDIO_GATEWAY_INTERFACE,
+						FALSE);
+
+	if (!device)
 		goto drop;
 
 	if (device->headset) {