Update git submodules

* Update docs/submodules/optf/has.git from branch 'master'
  to 9ec6a47a0629a4566ab5d94a497894904fc92d94
  - Bump version of staging to 1.3.1
    
    Change-Id: Ic104f4b53c0ae38a020a92c21f7f430137027226
    Signed-off-by: Shankar Narayanan <snarayanan@research.att.com>
    Issue-ID: OPTFRA-501
    
1 file changed