Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Cleanup our ansible role

    Our role had some old comments and confusing names which don't make
    sense anymore. This patches cleans it up

    Change-Id: Ieb928aad2c1b0bfcfa94b300201e026e11a4c991
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 9739f4c..03334c4 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 9739f4cfe5ad98ad4811d98e9ae6452f0e55a0be
+Subproject commit 03334c4c2cdb42a469b174ffd8718189d5cc8907