Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to bdd46a64e1869297397b81f777ea58e67052391b
  - Increase cassandra/janusgraph
    
    Increase the cassandra and janusgraph connection timeout to tune
    the working for the sdc-be in the overloaded environment.
    
    Issue-ID: SDC-2759
    Signed-off-by: Krystian Kedron <k.kedron@partner.samsung.com>
    Change-Id: I5c903724c9c555a3ca4a0513b3eaa7286086b0b4
    
1 file changed