Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - bugfix: delete extra firewalls in virtual deployment

    Change-Id: I179b5aab51958c0cd4653e65bbd74df5cfd7c53e
    Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 9076067..5d2a14c 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 90760673c80a79fd5570d43fb06e0322301f7efc
+Subproject commit 5d2a14c7c9aef5e31609ae8ebcc16a2485ac8b4d