x86_64: move kernel/acpi

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile
index dd4eb7c..3d56719 100644
--- a/arch/x86/kernel/acpi/Makefile
+++ b/arch/x86/kernel/acpi/Makefile
@@ -1,5 +1,5 @@
 ifeq ($(CONFIG_X86_32),y)
 include ${srctree}/arch/x86/kernel/acpi/Makefile_32
 else
-include ${srctree}/arch/x86_64/kernel/acpi/Makefile_64
+include ${srctree}/arch/x86/kernel/acpi/Makefile_64
 endif