Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Documentation update and some clean up

    Change-Id: I1fca51b9b6afff5a596ceee2e1401127fe23231d
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 43c5b9a..759e075 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 43c5b9a266b8181af33aa22456eea4c1335a970a
+Subproject commit 759e0751465747acfb9cf840aaad7761ba1327dd