Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Change a to an

    Change-Id: Id2b9c2a6718047dace2a84ffa68efa387cb22500
    Signed-off-by: xudan <xudan16@huawei.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index 463d282..153647f 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit 463d282125ee4cfd45e75ae5f18dea58bbed1504
+Subproject commit 153647f7858dc80cf16b0164d748d6bb33f3894c