Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'elalto'
  to 4055c5242bd0a479750ed9e8ec08612b64dc5cfa
  - Release 1.7.4 dockers
    
    Release SDNC 1.7.4 docker containers
    
    Change-Id: Ie8b8f49431700c3321118b3715d3a5e5813218ba
    Issue-ID: SDNC-939
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
    
1 file changed