Update git submodules

* Update docs/submodules/sdc/sdc-docker-base.git from branch 'master'
  to 5b572fcff90eea8c7897fe8370477dce21ad1f2b
  - Fix failing base_sdc-cassandra image build
    
    Change-Id: I994f8521f1e53f2ce3e906e5fc087d9a6b3a1eca
    Issue-ID: SDC-2774
    Signed-off-by: MichaelMorris <michael.morris@est.tech>
    
1 file changed