Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to d73fe57f9e6a420ccf8f91cf188e8162ab881a07
  - Release version 1.6.1
    
    Release version 1.6.1 of SDNC artifacts
    
    Change-Id: I8c018854fb3fddfb06cc0ef658e23be89d630b74
    Issue-ID: SDNC-827
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
    
1 file changed