Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Improve ssh timeout in vping_ssh"
  - Improve ssh timeout in vping_ssh

    It seems that 10s is not enough for Fuel.

    Change-Id: I46d3d2c9091946befb0e056a8c8cc56c59087471
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 601781b..062513f 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 601781b8020c267618bb7bfe3fc4cbe2bedc40b3
+Subproject commit 062513f302369a8d48394edb0b1a75df660fee20