Update git submodules

* Update docs/submodules/yardstick from branch 'master'
  - Merge "Bugfix: Local Openstack Operation in HA test frameworks"
  - Bugfix: Local Openstack Operation in HA test frameworks

    JIRA: YARDSTICK-635

    Change-Id: Ic27517714db9325e7a3b1ef623c49af61c36b2b5
    Signed-off-by: tjuyinkanglin <14_ykl@tongji.edu.cn>

diff --git a/docs/submodules/yardstick b/docs/submodules/yardstick
index 21ef134..430408c 160000 (submodule)
--- a/docs/submodules/yardstick
+++ b/docs/submodules/yardstick
@@ -1 +1 @@
-Subproject commit 21ef1349d65eea760c4545ed6e3cb8a49288a910
+Subproject commit 430408c60b3bd6470ce6d9c0401053d13945a71d