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/gigabyte/ma78gm/dsdt.asl b/src/mainboard/gigabyte/ma78gm/dsdt.asl
index 03d8fcd..c850b9e 100644
--- a/src/mainboard/gigabyte/ma78gm/dsdt.asl
+++ b/src/mainboard/gigabyte/ma78gm/dsdt.asl
@@ -27,7 +27,7 @@
 	0x00010001	/* OEM Revision */
 	)
 {	/* Start of ASL file */
-	/* #include "../../../arch/x86/acpi/debug.asl" */		/* Include global debug methods if needed */
+	/* #include <arch/x86/acpi/debug.asl> */		/* Include global debug methods if needed */
 
 	/* Data to be patched by the BIOS during POST */
 	/* FIXME the patching is not done yet! */
@@ -1162,7 +1162,7 @@
 
 	/* South Bridge */
 	Scope(\_SB) { /* Start \_SB scope */
-		#include "../../../arch/x86/acpi/globutil.asl" /* global utility methods expected within the \_SB scope */
+		#include <arch/x86/acpi/globutil.asl> /* global utility methods expected within the \_SB scope */
 
 		/*  _SB.PCI0 */
 		/* Note: Only need HID on Primary Bus */