Setting logs at DEBUG level on physical builds

Change-Id: Ic933028ddf9f06220ea0386d5b841e3c9b4b7276
diff --git a/jjb/voltha-test/voltha-nightly-jobs.yaml b/jjb/voltha-test/voltha-nightly-jobs.yaml
index e9e960e..608d1d7 100644
--- a/jjb/voltha-test/voltha-nightly-jobs.yaml
+++ b/jjb/voltha-test/voltha-nightly-jobs.yaml
@@ -195,6 +195,7 @@
     configurePod: true
     volthaHelmChartsChange: ''
     profile: 'Default'
+    logLevel: 'DEBUG'
 
     <<: *voltha-build-job-parameters