Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Rename framework.html to index.html"
  - Rename framework.html to index.html

    It simplifies the url of the presentation.

    Change-Id: I23c449d98d5efcbeb27802a62f607f55ec658ebf
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 23701b0..234a416 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 23701b001275581b8b21bb82e4e9f8b7f4ebc56b
+Subproject commit 234a4164d7d145de6d681387362484ed3e6c94b4