Update git submodules

* Update docs/submodules/vfc/nfvo/driver/vnfm/svnfm.git from branch 'master'
  to 451e015794a0f3957c9d02685f622817914b4124
  - update svnfm version
    
    Change-Id: Id59e2a932bec222703978255d038d71a0d963396
    Issue-ID: VFC-1404
    Signed-off-by: tianxing <15210838572@139.com>
    
1 file changed