Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Updating test case requirements document

    This patchset addresses review comments which were not incorporated in
    the previous version of the test case requirements description.
    Additionally, the text has been wrapped to 80 character lines.

    Change-Id: If817f6c44d94870d915791a1a11916ffe4871f06
    Signed-off-by: Georg Kunz <georg.kunz@ericsson.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index db3af2b..ea0354e 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit db3af2b5d552d02f25660ecfa2e83595da741e9c
+Subproject commit ea0354ea16202b9d49e7320317a65402bab8f811