Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Add test area 'simple virtual machine resource scheduling on multiple nodes'

    JIRA: DOVETAIL-473

    According to Dovetail addendum doc, add one test area about basic cloud
    capability 'simple virtual machine resource scheduling on multiple nodes'.

    Add the test specification about this test area.

    Change-Id: I7a5ff426442424dbc364a68296facb0bac6401ca
    Signed-off-by: xudan <xudan16@huawei.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index ccd0c34..e017125 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit ccd0c3428ec5116f1095931f38fb5c6bee21d0a1
+Subproject commit e017125e01de8033b7801cdd2fe80f3ab9b09517