Update git submodules

* Update docs/submodules/optf/osdf.git from branch 'master'
  to ec68a8ff4cb494867f72a3fa17ab481b2c38e119
  - Automation adds optf-osdf-architecture.rst
    
    Issue-ID: CIMAN-376
    
    Change-Id: I35351fcd5fa8b236d9c46f3196260089d1eb9df8
    Signed-off-by: lf-jobbuilder <releng+lf-jobbuilder@linuxfoundation.org>
    
1 file changed