Update git submodules

* Update docs/submodules/optf/has.git from branch 'master'
  to 21ce5ae0b966c98f7f80676ec49cbe27d5e64587
  - Automation adds optf-has-architecture.rst
    
    Issue-ID: CIMAN-376
    
    Change-Id: I2eccd0a285f11b6491f3247e8d430caed04809c7
    Signed-off-by: lf-jobbuilder <releng+lf-jobbuilder@linuxfoundation.org>
    
1 file changed