Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fixed test description for snaps_smoke."
  - Fixed test description for snaps_smoke.

    Change-Id: Ia533337a07c3a47579d0fa97b6bb3b4b3daf94e5
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 1943d0b..8ab6ac8 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 1943d0b5aa9dde34d700b232dc9b8c53be80f197
+Subproject commit 8ab6ac807fa5aff4ead7fdad9b76f27ae7203048