Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Merge "add deployment guidance in vm deployment doc"
  - add deployment guidance in vm deployment doc

    Change-Id: Ia9b370b314b5e897087ae82463af90c4b61018d5
    Signed-off-by: zhouya <zhou.ya@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index e0d6c8a..2177584 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit e0d6c8a4e5c84bedbcbe91ca51c8bbabf1d8fdf8
+Subproject commit 2177584b4de65c099dc467e7d3df46bfc93f891b