Build and publish voltha-1.7 branch

Change-Id: Id83bfdcfab0e8ada7e4d7fd8c8196b42c24b61be
diff --git a/jjb/voltha-publish.yaml b/jjb/voltha-publish.yaml
index 0e03be5..5df4226 100644
--- a/jjb/voltha-publish.yaml
+++ b/jjb/voltha-publish.yaml
@@ -8,7 +8,7 @@
     jobs:
       - 'voltha-publish':
           project-regexp: 'voltha'
-          branch-regexp: '^(master|voltha-1.6)$'
+          branch-regexp: '^(master|voltha-1.6|voltha-1.7)$'
           executor-node: 'imagebuilder'
           dependency-jobs: ''