Using different name for onos-ports-list and onos-ports files in voltha-scale-job

Change-Id: Ic5e68824110718c95fbd0e20065f0cacd5791d49
diff --git a/jjb/pipeline/voltha-scale-measurements.groovy b/jjb/pipeline/voltha-scale-measurements.groovy
index 755c919..29b9f4b 100644
--- a/jjb/pipeline/voltha-scale-measurements.groovy
+++ b/jjb/pipeline/voltha-scale-measurements.groovy
@@ -181,7 +181,7 @@
           voltctl device list -o json > device-list.json
           python -m json.tool device-list.json > volt-device-list.json
           rm device-list.json
-          sshpass -e ssh -q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -p 30115 karaf@localhost ports > onos-ports.txt
+          sshpass -e ssh -q -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -p 30115 karaf@localhost ports > onos-ports-list.txt
         '''
       }
       archiveArtifacts artifacts: '*.log,*.json,*txt'