Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Paul has stepped down as a comitter

    Change-Id: I7bb99f33c0f56226e1e804f99df96261310c7577
    Signed-off-by: agardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index bba8bc0..2bec71a 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit bba8bc08fbcbf5f72f40ea6133dbb61263215501
+Subproject commit 2bec71a910fa21e2c6037b3cedfb0b9cf19329f1