Update git submodules

* Update docs/submodules/aaf/certservice.git from branch 'master'
  to ddc9e99c372c32d9c62014ac1751f5840c734410
  - Merge "Fix file not found in tests"
  - Fix file not found in tests
    
    Issue-ID: AAF-997
    Signed-off-by: Zebek Bogumil <bogumil.zebek@nokia.com>
    Change-Id: I0f87db39c6a14dce7568144b03587dc88f6f3a61
    
1 file changed