Autogenerate MacBookAir4,2

Just ran autoport on the data from MacBookAir4,2

Change-Id: Iba2a56a6846d81d29e6b090a9a31253ce240914d
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/11840
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/mainboard/apple/macbookair4_2/dsdt.asl b/src/mainboard/apple/macbookair4_2/dsdt.asl
new file mode 100644
index 0000000..c46b7ad
--- /dev/null
+++ b/src/mainboard/apple/macbookair4_2/dsdt.asl
@@ -0,0 +1,29 @@
+#define BRIGHTNESS_UP \_SB.PCI0.GFX0.INCB
+#define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.DECB
+#define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0
+DefinitionBlock(
+	"dsdt.aml",
+	"DSDT",
+	0x03,		// DSDT revision: ACPI v3.0
+	"COREv4",	// OEM id
+	"COREBOOT",	// OEM table id
+	0x20141018	// OEM revision
+)
+{
+	// Some generic macros
+	#include "acpi/platform.asl"
+	#include <cpu/intel/model_206ax/acpi/cpu.asl>
+	#include <southbridge/intel/bd82x6x/acpi/platform.asl>
+	/* global NVS and variables.  */
+	#include <southbridge/intel/bd82x6x/acpi/globalnvs.asl>
+	#include <southbridge/intel/bd82x6x/acpi/sleepstates.asl>
+
+	Scope (\_SB) {
+		Device (PCI0)
+		{
+		#include <northbridge/intel/sandybridge/acpi/sandybridge.asl>
+		#include <southbridge/intel/bd82x6x/acpi/pch.asl>
+		#include <southbridge/intel/bd82x6x/acpi/default_irq_route.asl>
+		}
+	}
+}