Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - functest_logger changes fix

      - Recently there is removal of functest logger utils.
      - This uses the default python logging mechanism

    Change-Id: I3aba38041bbed8b1e5a3de93bc9f639253f262d8
    Signed-off-by: Vijayendra Radhakrishna <vradhakrishna@mvista.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index fdd96be..a29f1fc 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit fdd96be78394a3ce05d9db5f4f68b60b02e48b1a
+Subproject commit a29f1fcf91f130f74dbd9d7c83bb7445faec6136