Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Remove useless files in docs/com"
  - Remove useless files in docs/com

    Change-Id: Id4aa3080d2be75bc8fa188136b191034724c357e
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 01b6af1..c245b4a 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 01b6af1f43f8ea780ff4c0611ab7f4d4c0ce993c
+Subproject commit c245b4a4b92285c5585700f81a1a6e4379b755b6