Adding changes to configuration in voltha

Change-Id: I17aa46165a16311d39a6a1b4c36ebb8d65ff27aa
diff --git a/docker/config/onos-config.json b/docker/config/onos-config.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/docker/config/onos-config.json
@@ -0,0 +1 @@
+{}