Setting debug logs for BBSim based tests

Change-Id: Ie756f59a7873cdc6fc6ecc0e2497650b8ab9c054
diff --git a/jjb/voltha-e2e.yaml b/jjb/voltha-e2e.yaml
index c0ff6b8..c0e0bad 100755
--- a/jjb/voltha-e2e.yaml
+++ b/jjb/voltha-e2e.yaml
@@ -58,6 +58,7 @@
           code-branch: 'master'
           extraHelmFlags: '--set global.image_tag=master --set onos-classic.image.repository=matteoscandolo/voltha-onos,onos-classic.image.tag=oltapp --set onos-classic.replicas=3,onos-classic.atomix.replicas=3 --set voltha.onos_classic.replicas=3'
           time-trigger: "H H/23 * * *"
+          logLevel: DEBUG
           testTargets: |
             - target: functional-single-kind
               workflow: att