Revert "Remove fixed rw-core tag for pod-1"

This reverts commit edb1810c2cd1fc4f312ce7e88657650e403fec5c.

keep rw-core tag version to 3.6.4 for Berlin lab deployment
master is still failing

Change-Id: Ib20f68fac0a875c5267e606e8b39dda8f80d2600
Signed-off-by: Amaia <amaia.depablo@bisdn.de>
diff --git a/kubernetes-configs/voltha/berlin-community-pod-1-gpon-fttb.yml b/kubernetes-configs/voltha/berlin-community-pod-1-gpon-fttb.yml
index 7b90c53..dbec967 100644
--- a/kubernetes-configs/voltha/berlin-community-pod-1-gpon-fttb.yml
+++ b/kubernetes-configs/voltha/berlin-community-pod-1-gpon-fttb.yml
@@ -25,6 +25,10 @@
 
 individualOpenFlowNodePorts: true
 
+voltha:
+  images:
+    rw_core:
+      tag: "3.6.4"
 
 #images:
 #  onos: