Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Fix bug in baremetal deploy with python script

    Change-Id: I782c4d732ee8774526b21abd3e8636e65916ce3b
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index e1b0be2..257e378 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit e1b0be206ff4720efb3a6857ba306e7b3e42575b
+Subproject commit 257e378a4efcc23d9d24ade17ec098c8de53e6de