Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 48b5b0067d301b4b9ec12415c68b4aec3fa3d098
  - Fix Blocker Bug - prevent from npe throwing
    
    Change-Id: Id6dd23c07f282ac7c7d3df3f612175d1bbf5a184
    Issue-ID: SO-2187
    Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>
    
1 file changed