Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Blacklist CeilometerEvents tests

    Ceilometer Events API is deprecated and removed in ocata. Panko
    provides the API but is not yet supported by OPNFV installers.

    Change-Id: I4bf29ca9371fa87a43df3ce32ac206a5e9363468
    Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index d96faa9..333ecb3 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit d96faa96d834c6c1242f08daefb27580acf22f5c
+Subproject commit 333ecb356503bad02913ee5fda2ffc0f548eac25