Update git submodules

* Update docs/submodules/optf/osdf.git from branch 'master'
  to 420f4b3a4ca25d5de5c9318b2ca89e1ef126b278
  - Merge "fix csit, cleanup dockerfile for osdf"
  - fix csit, cleanup dockerfile for osdf
    
    Change-Id: Ie3d44592a382ba8e886c2a7544520cbed6971f84
    Signed-off-by: vrvarma <vikas.varma@att.com>
    Issue-ID: OPTFRA-722
    
1 file changed