Getting pcap on ATT master jobs

Change-Id: I32a1125ff16ed933fa220754a69838903484ed53
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 8321ee5..b6ce923 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -77,6 +77,7 @@
           onosReplicas: 3
           atomixReplicas: 3
           extraHelmFlags: '--set defaults.rw_core.timeout=30s '
+          withPcap: true
 
       # jobs for DT with 512 ONUs with a 8 openonu-adapters and clustered ONOS.
       - 'voltha-scale-measurements':