The travelping diameter files appear to define a number of AVPs
originating in 29.229 in the 29.329 .dia file, let's try to
resolve this and avoid diameteerc complaining about AVPs being
defined in two locations.
There are some dependencies of TS 29.272 which we can inherit from
https://github.com/travelping/ergw_aaa
The version used was from git commit a5d5a93e2ef87f4168c676ee9a6d8300beb729d8