Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 7a29a83a89c9e01c0219342f7272bbd023828eda
  - Merge "Default gateway value to NULL when not present"
  - Default gateway value to NULL when not present
    
    Default gateway value to NULL when not present
    
    Issue-ID: SO-2934
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I7a9839817887575ec425e2ae6f1782b94f0bb907
    
1 file changed