Adding option to expose the etcd-cluster as a nodePort

Change-Id: Icd362e1d89ece204eafd0bf212127431a5219f47
diff --git a/voltha/requirements.yaml b/voltha/requirements.yaml
index 241c094..0fde5ef 100644
--- a/voltha/requirements.yaml
+++ b/voltha/requirements.yaml
@@ -15,6 +15,6 @@
 
 dependencies:
 - name: etcd-cluster
-  version: 0.1.1
+  version: 0.1.2
   repository: file://../etcd-cluster
   condition: etcd.cluster.enabled