Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 87526b32282d2202f10201e897afedb9b8cd5c64
  - Merge "remove duplicated code"
  - remove duplicated code
    
    Issue-ID: SO-2634
    Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>
    Change-Id: I75bd8d1557f78e396e1d57a03e12eefc3a771798
    
1 file changed