Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Disable Vmtp if POD_ARCH = aarch64

    Vmtp package delivers amd64 binaries in both architectures.

    JIRA: ARMBAND-396

    Change-Id: I4c6e010e47c8aa9adfafb373c261262d23ef382a
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 8d3eb36..5beb864 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 8d3eb364d84f90b19f9e7234d01add8764843081
+Subproject commit 5beb864bf6e1409e367a3fdf33289cb5386079fa