Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 2505c09848cf548d20bc53970c114c5a94c7f42d
  - Merge "Add method to prepare OOF request body for NST selection"
  - Add method to prepare OOF request body for NST selection
    
    Issue-ID: SO-2368
    
    Change-Id: I2dcc8a0a439ba87d461b96460780bd4c43d13c26
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>
    
1 file changed