[OOM] Add Istanbul in branch to test

Issue-ID: OOM-1
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Ia268c244aec4f0aaed828c8620a994d86be134b9
diff --git a/jjb/oom/oom-main-linter.yaml b/jjb/oom/oom-main-linter.yaml
index a258a9e..ca1708e 100644
--- a/jjb/oom/oom-main-linter.yaml
+++ b/jjb/oom/oom-main-linter.yaml
@@ -30,6 +30,8 @@
     stream:
       - "master":
           branch: "master"
+      - "istanbul":
+          branch: "istanbul"
       - "honolulu":
           branch: "honolulu"
       - "frankfurt":