Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Bug fix:Bottlenecks job failed."
  - Bug fix:Bottlenecks job failed.

    This patch is to fix the bottlenecks rc file.
    shown the problem:
    touch: cannot touch '/tmp/admin_rc.sh': Permission denied
    releng have chown code.
    We will delete this file if have problem in fetch_os script

    Change-Id: I9f53f9243697c3faca2b4d09a5847253a70f9686
    Signed-off-by: liyin <liyin11@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index e17fbef..02ea067 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit e17fbef0b73d270a59de87418d28d74e489b8df4
+Subproject commit 02ea0678f840da4f63821c2753079263c6fcde11