Update git submodules

* Update docs/submodules/bottlenecks from branch 'stable/danube'
  - system bandwidth testcase frame rebuild

    JIRA: BOTTLENECK-177

    This patch will debug some error in system bandwidth testcase.
    use the new docker way to test this testcase.
    Bug fix about dashboard and test framework.

    Change-Id: I7167ffd75efab9a7780407aa5b9a4337ebb9b4c7
    Signed-off-by: liyin <liyin11@huawei.com>
    (cherry picked from commit 205156554daf981d01c4f43c6a79f6519525916e)

diff --git a/docs/submodules/bottlenecks b/docs/submodules/bottlenecks
index 2e0a52e..cc65377 160000 (submodule)
--- a/docs/submodules/bottlenecks
+++ b/docs/submodules/bottlenecks
@@ -1 +1 @@
-Subproject commit 2e0a52eefb6b0cd0e66f42764600afe81fe29e86
+Subproject commit cc65377fffd2397a8770521cfef3aaae8c07b3e3