Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Ignore _build (sphinx output dir)"
  - Ignore _build (sphinx output dir)

    Change-Id: I8afb00fb2942d2144968896981532324ac8e322d
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index edfeb0d..eeafc7d 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit edfeb0d329ccde7c8f491729e7ef25ec48cbc8c8
+Subproject commit eeafc7d012079bc3ff64d28bc65e0051ad2cf46e