Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Merge "Fix Update README.tests"
  - Fix Update README.tests

    When looking at the different testcases in the functest directory
    TEST SYMMETRIC is outdated and TEST DELETION is missing in the README.
    This patch is an update to README.tests for the latest changes that
    have been done the to those two testcases.

    Change-Id: I54fceac85f45212ed45efca1a6f30d4ba092e0c1
    Signed-off-by: spiritus72 <billmorrissonjr@gmail.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 127d44b..e5d90a8 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 127d44b02a9a50a8caf83d981980b90e4e24dfe6
+Subproject commit e5d90a850366caa01f8a34563a5303c6cfe5f011