Update git submodules

* Update docs/submodules/yardstick from branch 'master'
  - Merge "replace ansible modules"
  - replace ansible modules

    Change-Id: Ia7c1ce781075142910a6c618a9a23f34a710dfe9
    Signed-off-by: Ross Brattain <ross.b.brattain@intel.com>

diff --git a/docs/submodules/yardstick b/docs/submodules/yardstick
index 2dd6004..3b675c3 160000 (submodule)
--- a/docs/submodules/yardstick
+++ b/docs/submodules/yardstick
@@ -1 +1 @@
-Subproject commit 2dd6004f6eace58e97c4aa87b8a80b5f099d9f73
+Subproject commit 3b675c32c89e8b4ff3e76397f057deaa0cca8c01