Update git submodules

* Update docs/submodules/aaf/certservice.git from branch 'master'
  to d5aa15227f0c8a8bd57b668fdc25eb3935be81c5
  - Fix PrivateKey encoding in certservice-client, refactor CsrFactory
    
    Add PrivateKeyToPemEncoder with tests
    Refactor CsrFactory to return not encoded PEM string (less responsibility and easier to test later)
    
    Issue-ID: AAF-996
    Change-Id: Ia8124d43ef7fb8b1d3077c98929c52f30b6512c6
    Signed-off-by: Remigiusz Janeczek <remigiusz.janeczek@nokia.com>
    
1 file changed