x86: include mach_apic.h in smpboot_64.c and smpboot.c

After the inclusion, a lot of files needs fixing for conflicts,
some of them in the headers themselves, to accomodate for both
i386 and x86_64 versions.

[ mingo@elte.hu: build fix ]

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/acpi/boot.c

@@ -40,6 +40,10 @@
 #include <asm/io.h>
 #include <asm/mpspec.h>
 
+#ifdef CONFIG_X86_LOCAL_APIC
+# include <mach_apic.h>
+#endif
+
 static int __initdata acpi_force = 0;
 
 #ifdef	CONFIG_ACPI