Parameterize timeout on docker-publish template

Add omec-cni jobs

Change-Id: I3b7bbbbc38bcb4401400844058491971244dc924
diff --git a/jjb/verify/alpine-grpc-base.yaml b/jjb/verify/alpine-grpc-base.yaml
index 219065d..3444a56 100644
--- a/jjb/verify/alpine-grpc-base.yaml
+++ b/jjb/verify/alpine-grpc-base.yaml
@@ -21,5 +21,6 @@
     name: 'publish-alpine-grpc-base-jobs'
     jobs:
       - 'docker-publish':
+          build-timeout: 30
           docker-repo: 'xosproject'
           dependency-jobs: 'version-tag'