Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - add extra interface to enable the keepablived plane and the api plane

    Change-Id: I0157bf8b6fa9be254c61bb384065f80107ab3dda
    Signed-off-by: root <zhou.ya@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 680bac9..77f0857 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 680bac98dd00728de21dfb5e0f932a5f3a4bdcba
+Subproject commit 77f085712a8a7ab2cb42411f457ee87675cdf676