Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Added new fdio scenarios descriptions

    As part of MS6 we must have an updated directory structure. I added the two new
    scenarios using fdio

    Change-Id: If74dade8c75c59d452b034b98fff5dc0791b2191
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index c6fcfca..0a9106c 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit c6fcfcaa891d0c7a1e63feeca675e64fdaf7cb40
+Subproject commit 0a9106c39f131a1d2952e1187ee1d1924d84e1f6