Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix summary in run_tests.py"
  - Fix summary in run_tests.py

    It fixes summary() when several tests have not been executed after a
    blocking test in failure.

    Change-Id: I3c0af4c8083ffa76f786756d409c09e018bbecc8
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 9622f56..acb8d8c 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 9622f5603e90166a92e87aa464f14d5db80a902a
+Subproject commit acb8d8cee379a5c6c40845c7414541095627e71b