minor bug-fix: change scenario var from scenario to bluprint in playbook

Change-Id: I01e8ae0dce41ff5b1a35cc3f68bf6060215f16a5
diff --git a/xos/synchronizer/steps/vspgwutenant_playbook.yaml b/xos/synchronizer/steps/vspgwutenant_playbook.yaml
index e6f95c5..4b0177f 100644
--- a/xos/synchronizer/steps/vspgwutenant_playbook.yaml
+++ b/xos/synchronizer/steps/vspgwutenant_playbook.yaml
@@ -31,7 +31,7 @@
     - cp_nb_server_ip: {{ cp_nb_server_ip }}
     - s1u_ip: {{ s1u_ip }}
     - sgi_ip: {{ sgi_ip }}
-    - scenario: {{ scenario }}
+    - scenario: {{ blueprint }}
     - as_sgi_ip: {{ as_sgi_ip }}
     - as_sgi_mac: {{ as_sgi_mac }}
     - enb_s1u_ip: {{ enb_s1u_ip }}