Update git submodules

* Update docs/submodules/optf/osdf.git from branch 'master'
  to 22def8bb1ad69cc30f1f7257660b2b646f94c39e
  - Merge "Update css file name in conf.py"
  - Update css file name in conf.py
    
    ribbon.css is the correct name of the css file.
    
    Issue-ID: CIMAN-376
    Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
    Change-Id: Ic38efb07cf39391663c29a811404de189d6fa848
    
1 file changed