Add support for Intel Emerald Lake 2 CRB

This adds support for Intel's Emerald Lake 2 board.

Change-Id: Ifaeeac9d52fe655324ee29df5f7187b89b35f73a
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/951
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/mainboard/intel/emeraldlake2/dsdt.asl b/src/mainboard/intel/emeraldlake2/dsdt.asl
new file mode 100644
index 0000000..9af312a
--- /dev/null
+++ b/src/mainboard/intel/emeraldlake2/dsdt.asl
@@ -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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+DefinitionBlock(
+	"dsdt.aml",
+	"DSDT",
+	0x02,		// DSDT revision: ACPI v2.0
+	"COREv4",	// OEM id
+	"COREBOOT",     // OEM table id
+	0x20110725	// OEM revision
+)
+{
+	// Some generic macros
+	#include "acpi/platform.asl"
+
+	// global NVS and variables
+	#include <southbridge/intel/bd82x6x/acpi/globalnvs.asl>
+
+	// General Purpose Events
+	//#include "acpi/gpe.asl"
+
+	#include "acpi/thermal.asl"
+
+	#include "../../../cpu/intel/model_206ax/acpi/cpu.asl"
+
+	Scope (\_SB) {
+		Device (PCI0)
+		{
+			#include <northbridge/intel/sandybridge/acpi/sandybridge.asl>
+			#include <southbridge/intel/bd82x6x/acpi/pch.asl>
+		}
+	}
+
+	#include "acpi/chromeos.asl"
+
+	/* Chipset specific sleep states */
+	#include <southbridge/intel/bd82x6x/acpi/sleepstates.asl>
+}