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>
diff --git a/src/mainboard/intel/stargo2/mainboard.c b/src/mainboard/intel/stargo2/mainboard.c
new file mode 100644
index 0000000..59efc92
--- /dev/null
+++ b/src/mainboard/intel/stargo2/mainboard.c
@@ -0,0 +1,55 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
+ *
+ * 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.
+ */
+
+#include <types.h>
+#include <string.h>
+#include <device/device.h>
+#include <device/device.h>
+#include <device/pci_def.h>
+#include <device/pci_ops.h>
+#include <console/console.h>
+#include <pc80/mc146818rtc.h>
+#include <arch/acpi.h>
+#include <arch/io.h>
+#include <boot/coreboot_tables.h>
+#include <southbridge/intel/fsp_i89xx/pch.h>
+
+#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
+void mainboard_suspend_resume(void)
+{
+	/* Call SMM finalize() handlers before resume */
+	outb(0xcb, 0xb2);
+}
+#endif
+
+
+
+// mainboard_enable is executed as first thing after
+// enumerate_buses().
+
+static void mainboard_enable(device_t dev)
+{
+}
+
+
+
+struct chip_operations mainboard_ops = {
+	.enable_dev = mainboard_enable,
+};