Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Add openssh-client in core"
  - Add openssh-client in core

    It's required by snaps ansible tests.

    Change-Id: Iebd4c7b8de8637a18dd40040749b9a1a0781fff2
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 9138cc1..bc3f340 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 9138cc184b23cef2067605d6464e0acbd6bd105d
+Subproject commit bc3f340e7c46d9539e7010224fa90f2d543975d4