Update git submodules

* Update docs/submodules/sfc from branch 'stable/euphrates'
  - Merge "Updated from global requirements" into stable/euphrates
  - Updated from global requirements

    Change-Id: Ida6ba2c608237927af2f19dc65c1e1733221c1d1
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 7f9b0c2..afaf051 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 7f9b0c2a4a85479d1458e9fb07a4c5961307b9c2
+Subproject commit afaf05163634168b9d60a1ae74a3eadb86239036