Capturing PCAP on the 2.4 job for ATT

Change-Id: I7c8f4c1283eac037868b641f84e4f54d790dec14
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 9548e35..eb97cfb 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -195,6 +195,7 @@
           openoltAdapterImg: ''
           openonuAdapterImg: ''
           onosImg: ''
+          withPcap: true
 
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-voltha-2.4-2-16-32-dt-subscribers'