Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Do not provide ipmi user and password in virtual deployment

    Change-Id: Ib7989bed237a03cdab01fea89aba4e2038815e5f
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 2be3f78..d0b28ef 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 2be3f7850dedaa885dd4f6957b53a541045ec4ed
+Subproject commit d0b28ef6d7cb12e1b70841991ff321cd6e7c1edf