Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Merge "JIRA: DOVETAIL-352 Updating the test specification document with iterative inprovements."
  - JIRA: DOVETAIL-352 Updating the test specification document with iterative inprovements.

    JIRA tasks are being created for specific sections of the document.
    Refer to the doc for links to relevant JIRA tasks.

    Change-Id: I1717d56b8817c38802a227db320f30029f68fbd0
    Signed-off-by: ChristopherPrice <christopher.price@ericsson.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index 4ee4bfd..2fbc073 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit 4ee4bfd19fd2d9e8328e9594c6eb3a00ec67878d
+Subproject commit 2fbc0733dbcebb9d3155775e7001977f909ffd50