Update git submodules

* Update docs/submodules/optf/has.git from branch 'master'
  to 51204dd7250549d4b59c1ff2bb4f1ad44ed1b96a
  - Upgrade oparent
    
    Change-Id: Ia2ac1175996fbed159e8dfbd43a01faee2e1009d
    Signed-off-by: Shankar Narayanan <snarayanan@research.att.com>
    Issue-ID: OPTFRA-607
    
1 file changed