Add Zaius machine under meta-ingrasys.

Zaius is a P9 system announced at the 2016 OpenPOWER Summit.

This uses samples.inc for phosphor feature selection as skeleton does
not yet have configs for Zaius.

Signed-off-by: Xo Wang <xow@google.com>
Change-Id: I9aa35304251ce62660115d5f2ebc9c6a829fceec
8 files changed