Add bindep.txt for Octavia
Add bindep.txt for Octavia

Some base packages are no longer automatically included in zuul
job runs. This is good as we need to call out our platform package
requirements.
This patch adds a bindep.txt to Octavia to capture those
package requirements.

Change-Id: I48e82f39e3980d6d50e3b710326b8e437eddb08b

openstack/octavia,openstack/octavia,openstack/octavia