Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 8dc31b7272fb451a4b88ae86187996ac3d739d06
  - Merge "Add Spring Component markup to rest validator"
  - Add Spring Component markup to rest validator
    
    Add Spring Component markup to rest validator classes.
    Do not invoke serviceInstanceDeleteValidator for macro deletes.
    
    Issue-ID: SO-2945
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I0eb501bccb016d5d5fed43c3f5d1bd39c7d4fd72
    
1 file changed