Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Fix some issues in cloudify_ims

    - Blocking ssh
    - Timeout for SCP
    - Debug in clearwater-ims-base
    - Flavor with snaps

    Change-Id: Ib11a4ebf20e698caccbb16920ae7d715f931fc58
    Signed-off-by: boucherv <valentin.boucher@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 0323218..aa3f9d4 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 0323218afb7500bac979e46aafc9c33d614c99d5
+Subproject commit aa3f9d4677170b24b72c9c5c7c5987b5a4b64f0d