Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Merge "Code optimization for list traversal"
  - Code optimization for list traversal

    1.replace the list to generator to simply the code.

    Change-Id: Ia67cf265f3ca004eab5abb8b1d742f53b7d554ad
    Signed-off-by: zhongjun <zhong.jun@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 4d6bf1b..febeda4 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 4d6bf1b0fc01c36b0ec9fe77cdfad608ca949ead
+Subproject commit febeda4a5778f55e9564948c6c326ea0849fef1b