Add openstack-orchestration to chef-repo Berksfile.
Add openstack-orchestration to chef-repo Berksfile.

https://review.openstack.org/#/c/66751/ adds openstack-orchestration as a
dep for openstack-ops-databse, so the parent chef repo needs a url for
openstack-orchestration.

Change-Id: If842ef252fb10110798faa6134e49872ab8102d7

zxcq/chef-openstack-icehouse-ubuntu-14.04,AlphaStaxLLC/openstack-chef-repo,Kmotiko/openstack-chef-repo,sathvikm/openstack,Kmotiko/openstack-chef-repo,AlphaStaxLLC/openstack-chef-repo,csibbitt/openstack-chef-repo,csibbitt/openstack-chef-repo,apealive-cookbooks/openstack-chef-repo,mohitsethi/openstack-chef-repo,apealive-cookbooks/openstack-chef-repo,mancdaz/openstack-chef-repo,sathvikm/openstack,kevinlowrie/openstack-chef-repo,mbednarz/chef-repo,mohitsethi/openstack-chef-repo,mattray/openstack-chef-repo,kevinlowrie/openstack-chef-repo