Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Remove vmtp and shaker from docker/smoke/testcases.yaml"
  - Remove vmtp and shaker from docker/smoke/testcases.yaml

    Change-Id: Ic5754821542e873bb7d33a8864a852993947b762
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index fb735da..1bcb860 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit fb735dae4c936c80107037268cb5e48231b31d8f
+Subproject commit 1bcb8609404c2e2505040a649cb792db4818bb3e