move acpi headers from x86 to non-arch

Change-Id: Ida6186af7a40fb7d91b4da92c36d25db30dadb33
Reviewed-on: https://review.haiku-os.org/c/haiku/+/5484
Reviewed-by: Fredrik Holmqvist <[email protected]>
Tested-by: Commit checker robot <[email protected]>

headers/private/kernel/acpi.h

@@ -3,8 +3,8 @@
  * Copyright 2007, Michael Lotz, mmlr@mlotz.ch. All rights reserved.
  * Distributed under the terms of the MIT License.
  */
-#ifndef _KERNEL_ARCH_x86_ARCH_ACPI_H
-#define _KERNEL_ARCH_x86_ARCH_ACPI_H
+#ifndef _KERNEL_ACPI_H
+#define _KERNEL_ACPI_H
 
 #define ACPI_RSDP_SIGNATURE		"RSD PTR "
 #define ACPI_RSDT_SIGNATURE		"RSDT"
@@ -203,4 +203,4 @@ typedef struct acpi_local_x2_apic_nmi {
 } _PACKED acpi_local_x2_apic_nmi;
 
 
-#endif	/* _KERNEL_ARCH_x86_ARCH_ACPI_H */
+#endif	/* _KERNEL_ACPI_H */

headers/private/kernel/arch/x86/arch_hpet.h

@@ -5,7 +5,7 @@
 #ifndef _KERNEL_ARCH_x86_HPET_H
 #define _KERNEL_ARCH_x86_HPET_H
 
-#include <arch/x86/arch_acpi.h>
+#include <acpi.h>
 
 /* All masks are 32 bits wide to represent relative bit locations */
 /* Doing it this way is Required since the HPET only supports 32/64-bit aligned reads. */