Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Produce more logs if things fail

    Apex deployment shows a problem when creating the SFC config in ODL and
    it is impossible to know what might be going on

    Change-Id: If8d33d1c60daaf9cd9773a5cb9c7e47f64e1caa9
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 017e0e8..f19a910 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 017e0e890bf2dfb6a8fe4661e46b2db37d8112e6
+Subproject commit f19a910411260203ff33d290e7460a296f5786fc