Updated git submodules

Project: integration master 5f91385194cd69898cf0244ca397cc592ecef903

Merge "Update default vagrant provider."

Update default vagrant provider.

Default vagrant provider was showing error for ubuntu/trusty64 or
ubuntu/xenial64 not found. This patch updates the default to
https://vagrantcloud.com which have recently been changed.

Change-Id: I069eae9370ecdf1483098528cee57d9b3e81a41b
Signed-off-by: Manjeet Singh Bhatia<manjeet.s.bhatia@intel.com>
Issue-ID: INT-434

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index d452192..5f91385 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit d452192f36bb2df0bf70b78b482aa8f5814885e3
+Subproject commit 5f91385194cd69898cf0244ca397cc592ecef903