Update git submodules

* Update docs/submodules/releng from branch 'master'
  to aa196eef542b0a511d5037ccac1c694317147a7e
  - Merge "Run new testcase cnf_testsuite_workload"
  - Run new testcase cnf_testsuite_workload

    Change-Id: I94fc71674c59770d0d9d1f0bd60e77a628dec032
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index e8f4101..aa196ee 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit e8f410144cc0169cdf467cad315c07390e51b47d
+Subproject commit aa196eef542b0a511d5037ccac1c694317147a7e