Added tcwg-infra group accews

Change-Id: I50cf92d3918fc6c4852931ec22280eba4fcbc16c
diff --git a/group_vars/tcwg-dev b/group_vars/tcwg-dev
index 6a9725e..bd1831a 100644
--- a/group_vars/tcwg-dev
+++ b/group_vars/tcwg-dev
@@ -21,10 +21,10 @@
 ssh_access:
  - lava-lab-team
  - tcwg
- - tcwg-buildslave 
+ - tcwg-infra
  - adrian.perry
  - nagios
- 
+
 ext_packages:
  - lxc
  - lshw