Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Fix typos in test_details.rst and test_overview.rst"
  - Fix typos in test_details.rst and test_overview.rst

    Change-Id: I12e9b17927ab9b52d0a727a82975cda7074bd994
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index a53fd64..ed9c3b0 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit a53fd6452a077b1905ff8f5ae1d24bdd112f2f82
+Subproject commit ed9c3b0b4aaa751e298aed6c52f56d2a0319c70d