Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Clean smoke requirements"
  - Clean smoke requirements

    Change-Id: I16884fa550e9b42cd0b57338c4b8b6598ac33dbb
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 82ec6a7..c12e84b 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 82ec6a73ef1addab5d24d511eea08514abf1922e
+Subproject commit c12e84bc3274eeabc4200575821dae1cd80ce16e