Update git submodules

* Update docs/submodules/aai/sparky-be.git from branch 'master'
  to b54e5d1c7fba9e6ac1f68f0eb3fbf81265b1d8d9
  - Release 1.6.2 container
    
    Issue-ID: AAI-2580
    Signed-off-by: Jimmy Forsyth <jf2512@att.com>
    Change-Id: Ie58ed014c9ae6f50bee63effef1d1e9bd9484949
    
1 file changed