[CDH5] Add llama-minikdc repository information

Add description of repository, branch, and git hash for the thirdparty
llama-minikdc commit.

Change-Id: Ib6abae726223aa535dc88a6bc41267b23eb46c1b
Reviewed-on: http://gerrit.sjc.cloudera.com:8080/4020
Reviewed-by: Michael Yoder <myoder@cloudera.com>
Tested-by: jenkins