Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "[Yardstick]Update Apex CI pod info for Yardstick CI jobs"
  - [Yardstick]Update Apex CI pod info for Yardstick CI jobs

    Change-Id: I2ec55ccba540979148abdf0ab028e114c36eff76
    Signed-off-by: JingLu5 <lvjing5@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index d70dde4..05591ef 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit d70dde441c7afd4a1343fc02342b7478a9dadcd5
+Subproject commit 05591ef9c26a988192941ea5986476723391215e