Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Remove deprecated ONAP lifecycle test case

    This patch removes the ONAP lifecycle deprecated test case.
    Furthermore, it clears helper functions as well as unwanted
    configuration.

    Change-Id: Ib958457cf120ffb641a72be028d3a031741c44c6
    Signed-off-by: Stamatis Katsaounis <mokats@intracom-telecom.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index addca54..e37ce9d 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit addca54f10fc065b8c619ddfd31ee843afbefdd4
+Subproject commit e37ce9db19fb583f60fc8d31a4093a8313ff47b8