Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Allow exceptions when deleting a missing verifier

    Change-Id: I2e48bdcf9bce872a4a7855f9f6cd05d2b4897244
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 2b6950c..be5a745 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 2b6950c3d496b42ef62632c638a27d79d73e3364
+Subproject commit be5a74549a5c82e0588296b6638481e9555f686c