gen-oslo-openstack-helm generated configuration file templates in
incorrect form, causing setting mulitple values in Values.yaml to
produce something like:
foo=barfoo=baz
This commit fixes this in the generator and updates config file
templates to generate configs correctly:
foo=bar
foo=baz
Change-Id: Iea661dcf1710987b2e111d7141ba888f01c44a50
Closes-Bug: 1699581
9eaa08678c