Update git submodules

* Update docs/submodules/yardstick from branch 'stable/danube'
  - Merge "Bugfix: fix HA testcases" into stable/danube
  - Bugfix: fix HA testcases

    Change-Id: Ic930c59fcf3d7e53d385016051596b6563dca0d7
    Signed-off-by: JingLu5 <lvjing5@huawei.com>
    (cherry picked from commit 01261850ea2ea2cb92572c9cfcb2c64bfafe9cbe)

diff --git a/docs/submodules/yardstick b/docs/submodules/yardstick
index 1c3517d..8362ebc 160000 (submodule)
--- a/docs/submodules/yardstick
+++ b/docs/submodules/yardstick
@@ -1 +1 @@
-Subproject commit 1c3517df20afa4b55af13bcc4ae16bc9534dc618
+Subproject commit 8362ebc1a0212f79bc9dedb4bf4d3865e811d440