Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 2dbccbebbeb910284a3a2477f185fc16b5e4da3d
  - Docker file for NSSMF-ADAPTER
    
    Bug fix
    
    Change-Id: Ibf38c7603180227f85b770b3c030a4c941ea1771
    Issue-ID: SO-2775
    Signed-off-by: jananib <janani.b@huawei.com>
    
1 file changed