Update git submodules

* Update docs/submodules/sfc from branch 'stable/gambia'
  - Adapt regex to new flows

    ODL Fluorine changes the nsh syntax, so we should adapt it

    Change-Id: I63537f9b880f14b40be2658d3a7ed2e315e86b11
    Signed-off-by: Manuel Buil <mbuil@suse.com>
    (cherry picked from commit 09cfe2f4b864c9566c0ffcdf2c61e7bfb5cf8454)

  - Updated from global requirements

    Change-Id: I383e6dbaae7e43a5501df6aa7145bad6daebc071
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 471a242..0393dd3 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 471a2422aa270ebcee562ee7389adffa868f872f
+Subproject commit 0393dd3f0a6380e6878d86cbba6883395252738c