Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Fix rendering issues with release notes

    - Fix test case listing and another bullet

    Change-Id: I46b0cff945176f464322f06737dc5c10f977598e
    Signed-off-by: Eddie Arrage <eddie.arrage@huawei.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index 41629c1..5091bc6 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit 41629c161b04e762f04ea8d5af03fc4175b7ab21
+Subproject commit 5091bc68db6f92cf3aa9ddf5e6a63e2bddd3a16f