Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Merge "Sync some patches of bash script to python"
  - Sync some patches of bash script to python

    Change-Id: Ia1eb59e62b1bb98b1871ec591e2c925c1734cc2e
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 7ac1730..4aab5fe 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 7ac1730803aac27f1c9bbc2e83f158fbb77ffab6
+Subproject commit 4aab5fede6d007aa7c934aabbe7294b793bc6087