Update git submodules

* Update docs/submodules/daisy from branch 'stable/euphrates'
  - Build kolla image in VM

    This PS:
    1. Build kolla image in VM
    2. Use sha512sum to check kolla image
    3. Delete suffix dot when there is no ext_tag

    Change-Id: I94d99e3ff69c47cc247051fae812bfdb29ff0246
    Signed-off-by: Zhijiang Hu <hu.zhijiang@zte.com.cn>
    (cherry picked from commit 377cae861b2c04d8934786acc4d07b41ba98acc5)

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index b09f1e9..1c3c253 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit b09f1e970d7a9dfb68216975c2705bab3d84eac8
+Subproject commit 1c3c253f906e76b76f207f64c03a2c14c48647a1