Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Merge "Remake aarch64 patch for Dovetail container"
  - Remake aarch64 patch for Dovetail container

    JIRA: ARMBAND-286

    Change-Id: Ided665488c7240943f62c65df0535d8b0178459f
    Signed-off-by: Alexandru Nemes <alexandru.nemes@enea.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index e017125..1fb4ff1 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit e017125e01de8033b7801cdd2fe80f3ab9b09517
+Subproject commit 1fb4ff1c309018d42645bfbb344d2be9dd4ac9cd