Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Update module to xtesting.core.feature for parser

    Change-Id: I8c4e34b7907d1809e100c6677101b8076272f493
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index b28bbe4..286a2f7 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit b28bbe423d3daa56be6342002e4e91639df15d17
+Subproject commit 286a2f76763fb80bf117a70b355785c5a64acfd3