Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  to f0c44b1ae02ffbdb87da81dac7b6754c641d8c04
  - Introduce XCI installer

    After the expression of the need to run the dovetail tool
    over the XCI installer, the investigation to that direction has
    been started.

    The aim of this patch is to introduce the relevant impact either
    on dovetail's code or on dovetail's documentation.

    JIRA: DOVETAIL-766

    Change-Id: I6931506cb80baa4fa4288141ba86a858bc4215b0
    Signed-off-by: Panagiotis Karalis <pkaralis@intracom-telecom.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index 369a1fb..f0c44b1 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit 369a1fb6e32496ef53e37717de31265f5d4d7074
+Subproject commit f0c44b1ae02ffbdb87da81dac7b6754c641d8c04