Update git submodules

* Update docs/submodules/sdnvpn from branch 'stable/fraser'
  - Wait for instance deletion
    
    JIRA: SDNVPN-222
    
    Confirm the deletion of instance in order to prevent its port
    existence when trying to delete relevant subnet in a later stage.
    
    Change-Id: Iace0fbbd90d50f05764ac09682caae59baba22fa
    Signed-off-by: Stamatis Katsaounis <mokats@intracom-telecom.com>
    (cherry picked from commit ea48239f99fdddd703bebb1727575f844c097702)
    

1 files changed, 0 insertions, 0 deletions

diff --git a/docs/submodules/sdnvpn b/docs/submodules/sdnvpn
-Subproject 490a2fde01b667e4a2a9133ab71cf026f1b9ba0
+Subproject 9f606df245967e2a658b0cc75ba9b754175cbf2