Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Merge "Fix Licence header missing issues"
  - Fix Licence header missing issues

    Change-Id: I186f94b6e7580974a32a3c3c48fdc891b8445937
    Signed-off-by: Zhijiang Hu <hu.zhijiang@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index e791b00..57ff66c 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit e791b002ecc023b2df94fbc72f7673403268b65a
+Subproject commit 57ff66cbe085f640deb7d1c6b57052f3282b05a5