Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix connection error due to invalid lib version usage."
  - Fix connection error due to invalid lib version usage.

    Connection timeouts on "requests" objects was developped with
    requests 2.18 but target runtime is 2.12.
    Advanced timeout management of 2.18 is not available in 2.12.

    Change-Id: Ie6d81b91d4bcc0d73cffd007d9e46cdb19e47597
    Signed-off-by: Benoit HERARD <benoit.herard@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 843fbe9..bcfb795 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 843fbe920471eff37f7acccb4f56bd603bfe22ba
+Subproject commit bcfb795ef4307b91c10205f6531bed1d11efd489