Update git submodules

* Update docs/submodules/sfc from branch 'stable/euphrates'
  - Move openrc to master

    Change-Id: Ic740396c3f8d1a6412a08a56a21ff9cfbeb925b1
    Signed-off-by: Manuel Buil <mbuil@suse.com>
    (cherry picked from commit fd707b3d268129d02e726523517dae837b2f0556)

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 6e9d48e..3f5fb63 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 6e9d48e057bea03dd5914b54e191a745bb730029
+Subproject commit 3f5fb6328502dbaebad5bd63b58d8ac50e05f268