Update git submodules

* Update docs/submodules/releng from branch 'master'
  - KVMFORNFV: Enable daily job

    This patch is used to enable kvmfornfv daily job as Intel-pod10 is
    available.

    Change-Id: I515543606a89c322f453fddd076d7a121cab26c9
    Signed-off-by: Navya Bathula <navyax.bathula@intel.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index cdb6fb1..77efbde 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit cdb6fb10974fed3359a01391bad0fd93958da7bc
+Subproject commit 77efbdecc40e11a137b227b7105d70c83d3a8a40