mgmtops: Use DBG not error for printing name in read_info_complete

This is debug not an error message.
diff --git a/plugins/mgmtops.c b/plugins/mgmtops.c
index 4970b7c..4aa38fe 100644
--- a/plugins/mgmtops.c
+++ b/plugins/mgmtops.c
@@ -1083,7 +1083,7 @@
 
 	name = btd_adapter_get_name(adapter);
 
-	error("mgmtops setting name %s", name);
+	DBG("mgmtops setting name %s", name);
 
 	if (name)
 		mgmt_set_name(index, name);