Update git submodules

* Update docs/submodules/aai/sparky-be.git from branch 'master'
  to d480ef90f6adcf027784f3ba022bad7defc06a86
  - Automation adds aai-sparky-be-architecture.rst
    
    Issue-ID: CIMAN-376
    
    Change-Id: If40806c1f550d590130ffac655c383a5bab352ba
    Signed-off-by: lf-jobbuilder <releng+lf-jobbuilder@linuxfoundation.org>
    
1 file changed