Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Update patches"
  - Update patches

    It patches specific values for singlevm1 and singlevm2 (arm64, ovs
    and fdio).

    Change-Id: Ibbd827b52520410bbbfa231eec23b08aeb511e0b
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 518ad1e..e5f28f7 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 518ad1e201389ecef17c0770a94793315d0d0fd7
+Subproject commit e5f28f769cf230af91cdd6651e19c64fba22e5a2