Update git submodules

* Update docs/submodules/releng from branch 'master'
  - anteater: Fix jjb script

    Change-Id: Ib42cef840ff8118c32676efdf8c21c315c1f4911
    Signed-off-by: Fatih Degirmenci <fatih.degirmenci@ericsson.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 28cc9fe..c4c88ca 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 28cc9fea7bf6474d0308321048fe1f6f125e4772
+Subproject commit c4c88ca0752cbe05eb3c9e21c23328f6f553f037