ansible: look for any hostnames
ansible: look for any hostnames

It seems like the ansible_domain may be empty and the wait for ssh task
should actually look for any host defined in /etc/ansible/host, so that
it may support user defined fqdn hostnames in the future.

Change-Id: If29f8d6fbf716f85bbca8d461f98f525d4002db6

enovance/software-factory,enovance/software-factory,enovance/software-factory,enovance/software-factory,enovance/software-factory