Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "barometer jjb: update for nightly RPM Build"
  - barometer jjb: update for nightly RPM Build

    Change-Id: I501ceb15d2e7ce22dd2ac5bfad9c60d8e938bf2c
    Signed-off-by: Maryam Tahhan <maryam.tahhan@intel.com>
    Signed-off-by: Fatih Degirmenci <fatih.degirmenci@ericsson.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index ffeb626..8709d93 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit ffeb62628840383530c66d43640ed161415f6416
+Subproject commit 8709d939f3f14f46271caca5158d2e2ec752d0a3