Update git submodules

* Update docs/submodules/sfc from branch 'master'
  - Merge "Increase timeout time"
  - Increase timeout time

    My VMs take around 80 seconds to be able to respond to pings. The current
    timeout is in 50 seconds. I will increase it to 150 to have a buffer

    Change-Id: Ie684e76799210e3d7239e35df2d4bdd7af507669
    Signed-off-by: Manuel Buil <mbuil@suse.com>

diff --git a/docs/submodules/sfc b/docs/submodules/sfc
index 6ebfae4..d2d3b6d 160000 (submodule)
--- a/docs/submodules/sfc
+++ b/docs/submodules/sfc
@@ -1 +1 @@
-Subproject commit 6ebfae45dbfe56b0c1b452d9609ff5c6e289601f
+Subproject commit d2d3b6d079d93c619014d6f8f67c80815afe732f