Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 84728ef2083b7e9bd21ceb2d0b4b4591c8a44a83
  - Merge "Fix BBS integration issue"
  - Fix BBS integration issue
    
    Issue-ID: SO-2827
    Change-Id: I292094db2740632cefc9962ab5bf6028b51bdbb8
    Signed-off-by: ramu.n <ramu.n@huawei.com>
    
1 file changed