Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Take shaker arm64 image into account"
  - Take shaker arm64 image into account

    Change-Id: Ia1da6e97027df2cfa923f5ba076731e4a2817b1f
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index cfec3d2..5f7080c 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit cfec3d2dc5650099f0d1d6f01f3bf51263c5e8e2
+Subproject commit 5f7080c5425306cece86d12baed429d795b92f44