Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Merge "local db support offline mode"
  - local db support offline mode

    JIRA: DOVETAIL-415

    The local db also need to support offline, move all the git clone/apt/yum/pip/wget/curl into the Dockerfile

    Change-Id: I2392dc9f4a6bd6f6a5a3f4849625a576c51a44f8
    Signed-off-by: Leo Wang <grakiss.wanglei@huawei.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index fdc6128..bae1971 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit fdc6128e73f6fb109673a5b522f33879ca749554
+Subproject commit bae197167f137c478f8bb3268d9e047a6b6839b6