Update git submodules

* Update docs/submodules/dmaap/buscontroller.git from branch 'master'
  to 38e6e932216351d3a5e4a33f23cbd640b166c9f1
  - Automation adds release-notes.rst
    
    Add _release_notes hook to allow automation.
    Fix non valid release notes characters in content.
    
    Issue-ID: CIMAN-376
    Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
    Change-Id: Ibf84c0398770435d0b41898b1c8808c9948a0db2
    
1 file changed