xosEndpoint in VTN should target Chameleon, not the XOS core.

Change-Id: I3652b10360c0d6a92e2214627eb312c2c595ce72
diff --git a/roles/cord-profile/defaults/main.yml b/roles/cord-profile/defaults/main.yml
index 2e720d8..a61b3fd 100644
--- a/roles/cord-profile/defaults/main.yml
+++ b/roles/cord-profile/defaults/main.yml
@@ -55,6 +55,7 @@
 
 xos_bootstrap_ui_port: 9001
 xos_ui_port: 9000
+xos_chameleon_port: 9101
 
 xos_users: []