Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Add and insert new project icons"
  - Add and insert new project icons

    Change-Id: I4334bca1ab02a5d26b84b934cb718b3753ce0a13
    Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index ef3543d..082953f 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit ef3543d93a806489c6b71c021bf457a1fe93e894
+Subproject commit 082953fc921de7d903339412421ed19a094fc726