Add config to disable submodule processing

This patch resolves the helm chart dependency mismatch problem that is caused by asynchronized it-dep repo and its submodules.
Since ric-plt/ric-dep repo has implemented its own verify job, it/dep repo is no longer responsble to run helm verification for it.

Signed-off-by: Zhe Huang <zhehuang@research.att.com>
Change-Id: Ieeb50a47d911574ae699d4c45ad9dfcb650384e9
diff --git a/jjb/it-dep/it-dep.yaml b/jjb/it-dep/it-dep.yaml
index 076c30b..da1f25e 100644
--- a/jjb/it-dep/it-dep.yaml
+++ b/jjb/it-dep/it-dep.yaml
@@ -40,6 +40,7 @@
     docker-build-args: -f ci/Dockerfile
     # any tag will do
     container-tag-method: latest
+    submodule-disable: true
     jobs:
       - gerrit-docker-verify
     stream: