Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Fix bug in sfc_user variables file for pike

    Change-Id: I6cd9a6fd2b3688ae784b724cedd63094e5bc6f5d
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 70a03ee..43c5b9a 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 70a03eeda1163056dba689f470199c2c84f7123e
+Subproject commit 43c5b9a266b8181af33aa22456eea4c1335a970a