Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to d1b56d9b7382b8ca53a4006e93c6f35aaae611c0
  - Added more tests.
    
    Added more unit tests for cover CapabilityRequirementConverter.
    
    Issue-ID: SDC-2869
    Signed-off-by: Krystian Kedron <k.kedron@partner.samsung.com>
    Change-Id: If4f252f63cf126aab0961199c296581c0d089b21
    
1 file changed