soc/intel/cannonlake: Add ACPI entry for LAN

Add ACPI DSDT entry for integrated Gigabit LAN controller.

Change-Id: I15bf1d4065894531871380b3318f553b637f4a97
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/28743
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/cannonlake/acpi/pch_glan.asl

@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2017-2108 Intel Corporation.
+ *
+ * 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.
+ */
+
+/* Intel Gigabit Ethernet Controller 0:1f.6 */
+
+Device (GLAN)
+{
+	Name (_ADR, 0x001f0006)
+
+	Name (_S0W, 3)
+
+	Name (_PRW, Package() {GPE0_PME_B0, 4})
+
+	Method (_DSW, 3) {}
+}

src/soc/intel/cannonlake/acpi/southbridge.asl

@@ -1,7 +1,7 @@
 /*
  * This file is part of the coreboot project.
  *
- * Copyright (C) 2017 Intel Corp.
+ * Copyright (C) 2017-2018 Intel Corp.
  * (Written by Bora Guvendik <bora.guvendik@intel.com> for Intel Corp.)
  *
  * This program is free software; you can redistribute it and/or modify
@@ -48,3 +48,6 @@
 
 /* CNVi */
 #include "cnvi.asl"
+
+/* GBe 0:1f.6 */
+#include "pch_glan.asl"