[ACPI] delete CONFIG_ACPI_BOOT

it has been a synonym for CONFIG_ACPI since 2.6.12

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index af4de58..d3943e5 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -94,7 +94,7 @@
 #endif
 EXPORT_SYMBOL(acpi_disabled);
 
-#ifdef	CONFIG_ACPI_BOOT
+#ifdef	CONFIG_ACPI
 int __initdata acpi_force = 0;
 extern acpi_interrupt_flags	acpi_sci_flags;
 #endif
@@ -794,7 +794,7 @@
 		}
 #endif
 
-#ifdef CONFIG_ACPI_BOOT
+#ifdef CONFIG_ACPI
 		/* "acpi=off" disables both ACPI table parsing and interpreter */
 		else if (!memcmp(from, "acpi=off", 8)) {
 			disable_acpi();
@@ -850,7 +850,7 @@
 		else if (!memcmp(from, "noapic", 6))
 			disable_ioapic_setup();
 #endif /* CONFIG_X86_LOCAL_APIC */
-#endif /* CONFIG_ACPI_BOOT */
+#endif /* CONFIG_ACPI */
 
 #ifdef CONFIG_X86_LOCAL_APIC
 		/* enable local APIC */
@@ -1575,7 +1575,7 @@
 	if (efi_enabled)
 		efi_map_memmap();
 
-#ifdef CONFIG_ACPI_BOOT
+#ifdef CONFIG_ACPI
 	/*
 	 * Parse the ACPI tables for possible boot-time SMP configuration.
 	 */