This commit adds host6 puppet module, that will be used to support
dual-stack on /etc/hosts file rendering.
Test Plan:
[PASS] AIO-SX deployment
- Test "dpkg -l puppet-module-uol-host6"
- check presence of /usr/share/puppet/modules/host6
Story: 2011027
Task: 49801
Change-Id: I0fde31808fe671892582a3cdb2764f8b8c7b48b8
Signed-off-by: Tara Nath Subedi <Tara.Subedi@windriver.com>