Update git submodules

* Update docs/submodules/ccsdk/cds.git from branch 'master'
  to 15680d3737f3eb623cfb0ca325907291d994b9c9
  - Add ssh client configuration service
    
    Change-Id: I88515b430311e7937ea45516cc0fb07b4dab3c2f
    Issue-ID: CCSDK-1335
    Signed-off-by: Brinda Santh <brindasanth@in.ibm.com>
    
1 file changed