Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Add unit tests for security_scan

    Change-Id: Idda799c01408aa9afd09d573e23f42e011f3fafb
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 48fc7ca..582ebd4 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 48fc7cad7eb4cec0b928aba3daca7e934d46d87c
+Subproject commit 582ebd448508625ed2c9f362aaafc3fc46e60df0