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
diff --git a/conf/machine/include/ingrasys.inc b/conf/machine/include/ingrasys.inc
new file mode 100644
index 0000000..e7f2213
--- /dev/null
+++ b/conf/machine/include/ingrasys.inc
@@ -0,0 +1 @@
+require conf/machine/include/sample.inc