supporting custom images on voltha-scale-measurements-pipeline

Change-Id: I3becf42ebbc7fa1ca42dad2cb63364e877c6ea1b
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index e43df51..888290f 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -136,12 +136,12 @@
 
       - string:
           name: bbsimImg
-          default:
+          default: 'voltha/bbsim:master'
           description: 'Custom image selection for BBSIM (repo:tag)'
 
       - string:
           name: volthaImg
-          default:
+          default: 'voltha/voltha-rw-core:master'
           description: 'Custom image selection for VOLTHA (repo:tag)'
 
     project-type: pipeline
@@ -243,14 +243,24 @@
 
       - string:
           name: bbsimImg
-          default:
+          default: voltha/bbsim:master
           description: 'Custom image selection for BBSIM (repo:tag)'
 
       - string:
           name: volthaImg
-          default:
+          default: voltha/voltha-rw-core:master
           description: 'Custom image selection for VOLTHA (repo:tag)'
 
+      - string:
+          name: openoltAdapterImg
+          default: voltha/voltha-openolt-adapter:master
+          description: 'Custom image selection for Openolt Adapter (repo:tag)'
+
+      - string:
+          name: openonuAdapterImg
+          default: voltha/voltha-openonu-adapter:master
+          description: 'Custom image selection for Openonu Adapter (repo:tag)'
+
     project-type: pipeline
     concurrent: false