SDFAB-993 Optimize helm values across component and umbrella chart

Also fix an NPE in secret-registry.yaml

Change-Id: I8178cfa050226482c0027b5a093bf4ef61a2b790
diff --git a/dbuf/values.yaml b/dbuf/values.yaml
index e2cd64e..4043b7b 100644
--- a/dbuf/values.yaml
+++ b/dbuf/values.yaml
@@ -3,8 +3,7 @@
 
 image:
   repository: registry.aetherproject.org/tost/dbuf
-  pullPolicy: Always
-  tag: "latest"
+  tag: "1.0.0"
 
 extraParams:
   - '"-max_queues=1024"'
@@ -33,7 +32,7 @@
 
 # onos inforamtion
 onos:
-  server: sdfabric-onos-classic-hs.sdfabric
+  server: sdfabric-onos-classic-hs
   port: 8181
   username: onos
   password: rocks