Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to 47c7a904b9a764a2159066bff311f204fd18ce0d
  - Fix vnf-topology-assign async
    
    Updated vnf-topology-operation and vf-module-topolopy-operation
    not to call assign-async directly.
    Updated vnf-topology-operation-async and vf-module-topology-operation-async
    to call assign-async instead of assign.
    
    Change-Id: I16900ecb2126d2fe7fc3e1dfea351345272c275f
    Issue-ID: SDNC-961
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
    
1 file changed