Update git submodules

* Update docs/submodules/bottlenecks from branch 'stable/euphrates'
  - Bug fix in CI

    Bug fix in CI yardstick docker image problem.

    Change-Id: Ie25c82b19cb7ae54fd4f2563f09c97cafbf6e584
    Signed-off-by: liyin <liyin11@huawei.com>
    (cherry picked from commit 9185bc4e34ddbd98d2b5b4ced26d7ffb2bb9fc51)

diff --git a/docs/submodules/bottlenecks b/docs/submodules/bottlenecks
index 12a7a9b..5a33942 160000 (submodule)
--- a/docs/submodules/bottlenecks
+++ b/docs/submodules/bottlenecks
@@ -1 +1 @@
-Subproject commit 12a7a9ba23db5752ca5caa67c7d57741faaf9ecc
+Subproject commit 5a3394264a38300ff5719738b3d48b1050296035