Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Split modules in apidoc

    Change-Id: Iff2bd9377efb4e8abde35ef3fc38aca120feccaf
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 10d98ef..7022406 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 10d98efb0cc45e989beceda411ce615347b2a946
+Subproject commit 7022406bed21d429113e896c27c76197c8147f92