Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "xci: Fix images directory permissions"
  - xci: Fix images directory permissions

    Change-Id: Ibc1b9662bb9865c0e309128327d620324ddca85c
    Signed-off-by: Fatih Degirmenci <fatih.degirmenci@ericsson.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 20e7e88..f5c14a8 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 20e7e881e5ee2d4247f31e541263c61d30d576a1
+Subproject commit f5c14a8c277dfd487f080e6dfaedc37bf10b34d8