Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Release notes update

    Release notes updated
    Waiting for the official documents to be created to change the links (e.g.
    user guide, installation guide...)

    Change-Id: If6569585aaa6362938d5a83633ad8d8a0dd63fa2
    Signed-off-by: “Manuel Buil” <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 139913c..89b68dc 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 139913cbf61c3c0519fc5d5542d4ff5dd9ca7193
+Subproject commit 89b68dcce2e79251e38e6231a3556b1bdc5fea79