Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Fix Typo in repos release script

    As the scripts are ran under Python 3, parenthesis are required around
    print statements. Adding these doesn't seem to cause in error in Python
    2.

    Change-Id: Ic0ce623ded5f3e3f27c8117e2067566afc8d8c0b
    Signed-off-by: Trevor Bramwell <tbramwell@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index dd8b232..067d291 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit dd8b2323fe6e8f5ae48765c77a3c8a8f54af57a9
+Subproject commit 067d29186db675852d300533c0bac7f477ffc840