Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Cosmetic cleanup of tempest test case lists
    
    There are some superflouos lines separating the list of tempest test
    cases. These are restructuring artifacts which can be deleted.
    
    Change-Id: I7b3474090fa3d7b1506d5a4f3dcd1b32dd68900a
    Signed-off-by: Georg Kunz <georg.kunz@ericsson.com>
    

1 files changed, 0 insertions, 0 deletions

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
-Subproject 46754323aeac6193dd9b451a6525a478fdb0887
+Subproject 7bfb98175b9b974902531a07800b6a80be9a8f8