There appears to be an issue with upstream ansible, see:
https://github.com/ansible/ansible/issues/20392
The following is just a workaround, until upstream fixes our issue.
Add bindep.txt to address gate issue around compiling ansible.
Change-Id: Icc09164743da0d537c369040510998869486f3b3
Signed-off-by: Paul Belanger <pabelanger@redhat.com>