Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Print the stack traceback when cleaning

    Change-Id: I8279844f0e42378b4fe550696608054cd7418a12
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 38b69d908ccf5550b1de5b9ecf170a4169fa82f1)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 9cb5fc9..fd179d2 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 9cb5fc9e5c565fbf5c3c270f66cf81a0a51f5c7f
+Subproject commit fd179d2ab3b10be932a4030ac47a8bee5f666bc4