Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 56c2c009a90f4f25c714e7773aaecf5e6957b499
  - Enhanced logic for multilevel list input
    
    Added extra VF/VFC level test cases,
    also corrected first level index increment logic.
    
    Change-Id: I18982b4b6821da4f7dc06743c3aeca0fa54176e3
    Issue-ID: SO-1393
    Signed-off-by: sarada prasad sahoo <sarada.prasad.sahoo@huawei.com>
    
1 file changed