Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 91a31137b44d034823f72b190fc42539993c6593
  - Inheritance in ComponentException
    
    ComponentException was split into ByActionStatus and ByResponseFormat exceptions.
    Test added for ComponentLockAspectTest in passing
    
    Change-Id: I89c9ee966b8b4445e791af897bd60cdb845b845b
    Issue-ID: SDC-2321
    Signed-off-by: Tomasz Golabek <tomasz.golabek@nokia.com>
    
1 file changed