Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to 91e028c7e988d5b54d2da272ae4efb4e8f5b1a93
  - Merge "Fix bbs dgs bug for edge"
  - Fix bbs dgs bug for edge
    
    Issue-ID: SDNC-698,SDNC-699,SDNC-700
    
    Change-Id: I46b0cade01a06b494772fc95a8d32b4d6ba11d9c
    Signed-off-by: Gxxxx <guofengbei@huawei.com>
    
1 file changed