Add os-cloud-config requirement
Add os-cloud-config requirement

Adding os-cloud-config requirements. It will be used
for init keystone and neutron after deployment.

Change-Id: I821f0adfe1b596891f595534e0c25db27d32a3cb

rdo-management/tuskar-ui,rdo-management/tuskar-ui,rdo-management/tuskar-ui,rdo-management/tuskar-ui