Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Remove former run_unit_tests.sh"
  - Remove former run_unit_tests.sh

    Depends-On: I934f4ac739d99d0cb29bea8c6aac6d6780b30901

    Change-Id: I67c8a25a2e712babf99e32fb4c049b0acfd2e44d
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 290fcdb..54be27c 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 290fcdb7a8f703678ff817d399a58bba555ac5bc
+Subproject commit 54be27caf1ec50c0b76409b009d3dbcb894f0aca