Add missing config_files kolla directives
Add missing config_files kolla directives

This is an update to 53900ae3a9c15cfd6fe283bcb5baba8c21f2f70b
which didn't add the config_files instructions to copy the
config files.

Closes-Bug: #1887644
Resolves: rhbz#1853268
Change-Id: If249bbe8e93075d37e84cc050767515b89345020
Depends-On: https://review.opendev.org/731383

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates