Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Complete sfc_one test

    JIRA: SFC-94

    We were only blocking one SF to test if the traffic was blocked but we should
    test both to be more rigorous

    Change-Id: If22a79350c97e0d59ea0a9451303efce21e3f285
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index a13cf9e..fdd96be 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit a13cf9ed3c16a41e2638c081b4d27a83bbd191d5
+Subproject commit fdd96be78394a3ce05d9db5f4f68b60b02e48b1a