Increase hardware test timeout

Change-Id: I7ac13c3cb019b323c8c764f0a435131d8b628204
diff --git a/jjb/pipeline/voltha-physical-build-and-tests.groovy b/jjb/pipeline/voltha-physical-build-and-tests.groovy
index f841a8a..96d3b2c 100644
--- a/jjb/pipeline/voltha-physical-build-and-tests.groovy
+++ b/jjb/pipeline/voltha-physical-build-and-tests.groovy
@@ -37,7 +37,7 @@
     label "${params.buildNode}"
   }
   options {
-      timeout(time: 90, unit: 'MINUTES')
+      timeout(time: 120, unit: 'MINUTES')
   }
 
   environment {