Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Build and run functest-benchmarking"
  - Build and run functest-benchmarking

    Change-Id: If2597ae36a2c6599b524543b67aac7f6272b384a
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index fde219f..f617754 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit fde219fb44ab6303cd59ff3075574b1c3e1ba337
+Subproject commit f61775482871211ebce64cdc25fb6f8857899945