Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 6fc8a352e6b0d32bf166c0547d5fe9d1507917e7
  - Finalize Documentation R6
    
    Change-Id: I66837d0b314c1a529bd6ca2e29c9527899286c6f
    Issue-ID: SDC-2949
    Signed-off-by: Ofir Sonsino <os0695@intl.att.com>
    
1 file changed