Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Fix unittest

    Change-Id: I82086b85da488e183589af7b4adbd6c80835c039
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 4560b87..c243ba3 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 4560b872fdfdc0800fd571efc35a0036ab2241b3
+Subproject commit c243ba39ed2b4ca2723e62d37d1476fbcb7759b7