Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Define one logger per key module

    Snaps is printing lots of error messages which makes user confused.
    It will decrease the size of functest.log.

    Change-Id: I2c7d8ec968350563fbfbd62dcc2fc39b13b39a78
    Signed-off-by: Cédric Ollivier <ollivier.cedric@gmail.com>
    (cherry picked from commit 3f4e49c480ac9a72c76c7c8435caad2fcf81abf0)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 7786a54..3eb3153 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 7786a54c5abe32380468a924f77895b573c576d3
+Subproject commit 3eb3153d9c28b9bf8b0afddb4b918af7e34bcdbe