Update git submodules

* Update docs/submodules/sdnvpn from branch 'stable/fraser'
  - Add own logger for SdnvpnFuncTest class
    
    The functest xtesting Testcase class removed the logger instance
    variable, so let SdnvpnFuncTest use its own logger.
    
    JIRA: SDNVPN-215
    
    Change-Id: I8b611273e44204d5051fad1140e6ecaddc2a4334
    Signed-off-by: Periyasamy Palanisamy <periyasamy.palanisamy@ericsson.com>
    (cherry picked from commit 6491326ffadcc143a64723169038cad58620f117)
    

1 files changed, 0 insertions, 0 deletions

diff --git a/docs/submodules/sdnvpn b/docs/submodules/sdnvpn
-Subproject e0a0bccf7172b8cdd3e0ac2af7c2736b89ef5f7
+Subproject a239b4b3be5e21c522b3f189f3e3f7246e15630