Update git submodules

* Update docs/submodules/functest from branch 'stable/euphrates'
  - Merge "Fix how tier_handler is imported" into stable/euphrates
  - Fix how tier_handler is imported

    Change-Id: I36577ca73042b181b4634c4d6bf3ac5d905fd560
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit c44aaac86d7423ab2836d67989104321e12a7316)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index a508c43..3631053 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit a508c431dd66aa86b27b06da716ffe6a8b63409c
+Subproject commit 363105398eaace95234e5fe80a3f8b74fa505b01