ACPI: More ../../.. removal

CPP is ran with src/ as part of its search path, so
using <northbridge/...> and the like is safe.

Change-Id: I644d60190ac92ef284d5f0b4acf44f7db3c788ee
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/649
Tested-by: build bot (Jenkins)
diff --git a/src/mainboard/lenovo/x60/dsdt.asl b/src/mainboard/lenovo/x60/dsdt.asl
index 905c94a..52a5edb 100644
--- a/src/mainboard/lenovo/x60/dsdt.asl
+++ b/src/mainboard/lenovo/x60/dsdt.asl
@@ -32,7 +32,7 @@
 	#include "acpi/platform.asl"
 
 	// global NVS and variables
-	#include "../../../southbridge/intel/i82801gx/acpi/globalnvs.asl"
+	#include <southbridge/intel/i82801gx/acpi/globalnvs.asl>
 
 	// General Purpose Events
 	#include "acpi/gpe.asl"
@@ -43,13 +43,13 @@
 	Scope (\_SB) {
 		Device (PCI0)
 		{
-			#include "../../../northbridge/intel/i945/acpi/i945.asl"
-			#include "../../../southbridge/intel/i82801gx/acpi/ich7.asl"
+			#include <northbridge/intel/i945/acpi/i945.asl>
+			#include <southbridge/intel/i82801gx/acpi/ich7.asl>
 		}
 	}
 
 	/* Chipset specific sleep states */
-	#include "../../../southbridge/intel/i82801gx/acpi/sleepstates.asl"
+	#include <southbridge/intel/i82801gx/acpi/sleepstates.asl>
 
 	// Dock support code
 	#include "acpi/dock.asl"