Update git submodules

* Update docs/submodules/vfc/nfvo/driver/vnfm/svnfm.git from branch 'master'
  to 9f68abe303fd8184ef824d62c31742fecc777fa1
  - Change the MSB registration switch to the environment variable acquisition mode and fix typo error
    
    Change-Id: Ie6f21aad4cd9e571d3e58eaa498d1fb68470d94f
    Issue-ID: VFC-1601
    Signed-off-by: yangyan <yangyanyj@chinamobile.com>
    
1 file changed