Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - add functest guide doc

    Change-Id: I615908c95526a982d901ea1186da573e2cc030d9
    Signed-off-by: zhouya <zhou.ya@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 164ffc1..724c7d5 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 164ffc1780a6ffd2634533849f67ed640fb0745b
+Subproject commit 724c7d57abe27f3820d9ea5a2c1eff6bacc4e105