Update git submodules

* Update docs/submodules/optf/has.git from branch 'master'
  to 8794f07cf11c768876b62ba6628f88f723536eec
  - Merge "Update Casablanca maintenance release notes"
  - Update Casablanca maintenance release notes
    
    Issue-ID: OPTFRA-401
    Change-Id: I0bd03366e3833fa65a206ef7f2a98efb50b3fd8f
    Signed-off-by: Shankar Narayanan <snarayanan@research.att.com>
    
1 file changed