Enable cinder-backup for all deployment with ceph

Change-Id: Iff93cc40e9857fba3c44cedce441795a5b98b693
diff --git a/tcp_tests/templates/bm-cicd-queens-ovs-maas/salt-context-cookiecutter-openstack_ovs.yaml b/tcp_tests/templates/bm-cicd-queens-ovs-maas/salt-context-cookiecutter-openstack_ovs.yaml
index f0c5cda..1d269c3 100644
--- a/tcp_tests/templates/bm-cicd-queens-ovs-maas/salt-context-cookiecutter-openstack_ovs.yaml
+++ b/tcp_tests/templates/bm-cicd-queens-ovs-maas/salt-context-cookiecutter-openstack_ovs.yaml
@@ -846,3 +846,5 @@
   secrets_encryption_key_id: 'F5CB2ADC36159B03'
   # Used on CI only.
   secrets_encryption_private_key: ''
+  cinder_backup_engine: 'ceph'
+  cinder_ceph_backup_pool_name: 'backups'