Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Functest Doc: first update for Euphrates - move part of the dev group to the testing document - move reporting into user guide - update logs - introduce alpine - introduce functest API - split documents per chapter"
  - Functest Doc: first update for Euphrates
    - move part of the dev group to the testing document
    - move reporting into user guide
    - update logs
    - introduce alpine
    - introduce functest API
    - split documents per chapter

    Change-Id: I08268091ce50309e891a648333da2054e902bcea
    Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 1da4397..7760894 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 1da439765b20bbc9a1f63d736f4c6284b654d50d
+Subproject commit 7760894ab39c6bc592cd5813c709427fa0157dc1