Update git submodules

* Update docs/submodules/ccsdk/cds.git from branch 'master'
  to 70d4da09c2495b2680ad2f477e75188416f27de6
  - Check null instead of "null" JSON node.
    
    ISSUE-ID: CCSDK-1463
    Signed-off-by: prathameshmo <prathamesh.morde@bell.ca>
    Change-Id: Id4e9827d94999a585b79460f147562bdd655ccfb
    
1 file changed