Using voltha master

Change-Id: I8d08efc2899f8511545addea561da2ab7102a7fd
diff --git a/tosca-configs/att-workflow/onlab-pod1-olt.yaml b/tosca-configs/att-workflow/onlab-pod1-olt.yaml
index 1f3e820..bcfa161 100755
--- a/tosca-configs/att-workflow/onlab-pod1-olt.yaml
+++ b/tosca-configs/att-workflow/onlab-pod1-olt.yaml
@@ -39,7 +39,7 @@
         switch_datapath_id: of:0000000000000001
         switch_port: "1"
         outer_tpid: "0x8100"
-        uplink: "128"
+        uplink: "65536"
         nas_id: "NAS_ID"
       requirements:
         - volt_service: