Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Fixing a typo in the API validation warning of the web portal.

    Change-Id: I0489d1e2fbd53bc90c24781a9d62140e2299c5a4
    Signed-off-by: Georg Kunz <georg.kunz@ericsson.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index ea6b86b..60e4604 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit ea6b86b2d5aceea3dc54c3c4bf1d8a239fdde17d
+Subproject commit 60e46040086cc8d866bfea565ae3d0b5a52db265