Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Merge "support mutinode deploy in vm deployment env"
  - support mutinode deploy in vm deployment env

    Change-Id: Ic9e19d4e120fc53d96d0794239cd6e421f25ea27
    Signed-off-by: zhouya <zhou.ya@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 48883a8..a6b5bc1 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 48883a8295c57a028ea1fe81ce14dfd7058840d1
+Subproject commit a6b5bc153f14a3f1d10733fe7fb4bf457d0ecf5f