Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Add functest-patrole in build.sh"
  - Add functest-patrole in build.sh

    Change-Id: I4a749a0981a81a5b032fa564719c51db2e6c6551
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 4adf036..159ffa7 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 4adf03663fc6a9dca2e891745f4c8b7dce75398a
+Subproject commit 159ffa7b1ec7c6962c0cf08435373557675f9109