Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "barometer: remove old script from merge job steps"
  - barometer: remove old script from merge job steps

    Change-Id: Ic28513d75f15d4b25a67ccdbc1a2732fe0029411
    Signed-off-by: Maryam Tahhan <maryam.tahhan@intel.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index a7f82c0..f0999be 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit a7f82c093fab2ad19c7ffb0a81ec5756e91e73ae
+Subproject commit f0999bee4dd3b410cd01a08ca28edc172aaf52bd