Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Fix godeps commit id

    Change-Id: I7af07849fb70ef53f293002f313035b46731b705
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index de4d09c..5988d84 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit de4d09cf210179f3944b854f4a16c103244032d9
+Subproject commit 5988d84f62cb19abfdddf1475177f174d6c2597d