VOL-1796 make the log level a chart parameter

Change-Id: Ia42e91ebe1028d0a3f1829dd07e5203784dec0e7
diff --git a/voltha/requirements.yaml b/voltha/requirements.yaml
index 2fded67..20832fd 100644
--- a/voltha/requirements.yaml
+++ b/voltha/requirements.yaml
@@ -20,5 +20,5 @@
     condition: private_kafka_cluster
   - name: voltha-etcd-cluster
     repository: file://../voltha-etcd-cluster
-    version: 2.0.1
+    version: 2.0.2
     condition: private_etcd_cluster