Update git submodules

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

    Change-Id: I12e9b17927ab9b52d0a727a82975cda7074bd994
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit e96cf7eb6d691ea85354df05fd395a76fd531467)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 5268d9e..f1baa8e 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 5268d9ee0c42994f0ebc96327db6f8d41ae06fe6
+Subproject commit f1baa8e5726b9f6f0e5b2a16b596bea2d036c431