Add a Debian 9 entry to the kitchen-dokken config
Add a Debian 9 entry to the kitchen-dokken config

Travis is configured to build on it but it didn't have a Kitchen config.

Signed-off-by: Jonathan Hartman <5c2dd944dde9e08881bef0894fe7b22a5c9c4b06@hartman.io>

tas50/ntp,tas50/ntp,chef-cookbooks/ntp,tas50/ntp,gmiranda23/ntp,gmiranda23/ntp,gmiranda23/ntp,chef-cookbooks/ntp