Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - get_mac_addresses_for_virtual() suppors all-in-one env

    Change-Id: I6514292b16c784ced0dcb82d639fe10b425d63e2
    Signed-off-by: Zhijiang Hu <hu.zhijiang@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 4ccf287..923bd15 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 4ccf28754c8581d093d31ef582af5ce1d18c6234
+Subproject commit 923bd1535dd590754c33a6a8e2a664fd07eb4227