Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Merge "add onos deployment steps"
  - add onos deployment steps

    opnfv-tht-pr: 128
    opnfv-puppet-tripleo-pr: 23

    Change-Id: Ib99f7e3968ed03bd86ca0de9c6c37c9871921486
    Signed-off-by: bobzhou <bob.zh@huawei.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index e0eda9d..bf00ebc 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit e0eda9d2ce02eb0afddd66f328f8794b073a7958
+Subproject commit bf00ebca10d6366058c5ab8875efa020633f34b2