* Update docs/submodules/releng from branch 'master'
- Merge "bifrost: Switch Ubuntu targets to Xenial (16.04)"
- bifrost: Switch Ubuntu targets to Xenial (16.04)
Switch default target OS to Ubuntu Xenial (16.04) which is also the
version supported by bifrost.
Change-Id: Ia139af9d03c85225e741c78ce35ecc59cd990108
Signed-off-by: Fatih Degirmenci <fatih.degirmenci@ericsson.com>
-Subproject commit 5405777dc08714eadf8020c9f9b6a8dfcbf7d48c
+Subproject commit 87efe7980dcb89fff5e1560fc89d84101c529092