Update git submodules

* Update docs/submodules/sfc from branch 'stable/fraser'
  - Bug fix: Use opnfv.logger object

    JIRA: SFC-125

    If we don't use the opnfv.logger from functest, logs are not printed when
    exeucting tests through the functest framework

    Change-Id: I6d58ff3977fd94221720eea978e0efde07a576a2
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 3f77ff5..059613f 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 3f77ff56f24660500cec13f0953d462ea2cd4948
+Subproject commit 059613f1759e2f86d4d3ecda1680105b720d2197