Update git submodules

* Update docs/submodules/dmaap/buscontroller.git from branch 'master'
  to 47746384e38c3180cda2097ce480cf31dc924377
  - Update Release Notes
    
    Issue-ID: DMAAP-1396
    Signed-off-by: dglFromAtt <dgl@research.att.com>
    Change-Id: I322e8181949ecdc57fb375ff98d33c774102fe4f
    
1 file changed