Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Fix timeout (switch to synchronous calls)

    It completes "Switch create_server timeout to default value" [1]
    which forbids waiting more that 180s (create_server was asynchronous).

    [1] https://gerrit.opnfv.org/gerrit/#/c/60423/2

    Change-Id: Icbf9ee48024fe9e10571c2bb7ca895d5828fb561
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit f31841906a7cddcecc4c8fba9b641265811e9b7f)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index be86547..3532b0c 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit be8654700bffbfee6ed57a0b5321df1876993877
+Subproject commit 3532b0cc15d1266e95ea0d5645d587c9f18b2efa