Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to a73cbca41fbba96855173f39c89c04d50d4d8672
  - File name calculation refactoring
    
    FSConfigurationSource file name calculation refactoring and tests
    
    Change-Id: Idf1c45f860e12c14cfe88417500f2169b5dc86f7
    Issue-ID: SDC-2474
    Signed-off-by: Piotr Darosz <piotr.darosz@nokia.com>
    
1 file changed