Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Disable selinux option in docker for kolla-build

    Set --selinux-enabled=false in /etc/sysconfig/docker.

    https://build.opnfv.org/ci/job/daisy-kolla-build-master/32/console

    Change-Id: Ib6e94ad4add5f8556294de9542c38e9b074f905a
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 28e00b0..776d206 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 28e00b07abf318b17cb681cdac862437c54ed7c8
+Subproject commit 776d2061bedda81278b421afde1b3d11cf48266e