Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Merge "delete redundant parameters in cluster_meta"
  - delete redundant parameters in cluster_meta

    when we deploy the baremetal,do not have to use pxe_only
    and skip_pxe_ipmi parameters,or we can't call 'daisy install'
    command

    Change-Id: Ief5131c47c16412b8dacec50b5a7858b65baa7a2
    Signed-off-by: zhouya <zhou.ya@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index dcb206d..8f52576 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit dcb206d2d954f95ace1c93febf8ce9d38270facd
+Subproject commit 8f52576ce2063e1e742e1e6fafd66f6979bb2d10