Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to bb271cc82880d15dc9396170ac6ed95de22958a3
  - Merge "Added ext_system_error_source column to requestdb"
  - Added ext_system_error_source column to requestdb
    
    Added ext_system_error_source column to requestdb
    
    Change-Id: Iad9ad0178546aad2b64014987ff3da60f01f8bd4
    Issue-ID: SO-2001
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>
    
1 file changed