Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 4a74d94ea4604504325b320d499e2f3708ef1514
  - Merge "Check for existing VNF in VNFM"
  - Check for existing VNF in VNFM
    
    Issue-ID: SO-1622
    Change-Id: I6aa6af3c6988032f436c5da79c0140370469439e
    Signed-off-by: MichaelMorris <michael.morris@est.tech>
    
1 file changed