Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Bug fix: wrong dependency filter for lxd scenarios"
  - Bug fix: wrong dependency filter for lxd scenarios

    lxd scenario cannot run all the api_check tests, a regex has been set
    but on the wrong dependency (installer instead of scenario)

    Change-Id: I313e8d1ed3fa30488c100549f574a0cded08768f
    Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 5932064..87128b7 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 59320641c1ee0639d4e112ac6a6fa4011f4067df
+Subproject commit 87128b7a4787be1517a8c6631671e9b5f4df2a6a