mainboard/intel: Add Stargo2

The Intel Stargo2 is a communications device reference design.
This mainboard uses the Sandy/Ivy Bridge and is paired with
the i89xx southbridge. The FSP package is available from Intel:
https://intel.com/fsp.

Change-Id: I75c527f0eb0de1ee6ac13d8d276d7cf23b5b120c
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/12170
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/mainboard/intel/stargo2/acpi/mainboard.asl

@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.
+ */
+
+/* Power Button */
+Device (PWRB)
+{
+	Name(_HID, EisaId("PNP0C0C"))
+
+	// Wake
+	Name(_PRW, Package(){0x1d, 0x05})
+}