setting kubernetes version to master for ponsim-latest

Change-Id: Ic18ae097b919a5c469f4cc1a61d0a1a993018c36
diff --git a/configs/seba-ponsim-latest.yaml b/configs/seba-ponsim-latest.yaml
index acd12de..fd79a6d 100644
--- a/configs/seba-ponsim-latest.yaml
+++ b/configs/seba-ponsim-latest.yaml
@@ -86,6 +86,11 @@
   image:
     tag: 'master'
 
+# in base-kubernetes chart
+kubernetes:
+  image:
+    tag: 'master'
+
 # in workflow/att-workflow service chart
 att-workflow-driver:
   image: