Add missing includes in mce_intel_64.c

In some i386 configurations these are not implicitely included.

Signed-off-by: Andi Kleen <ak@linux.intel.com>

Index: linux/arch/x86/kernel/cpu/mcheck/mce_intel_64.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/mcheck/mce_intel_64.c
+++ linux/arch/x86/kernel/cpu/mcheck/mce_intel_64.c
@@ -12,6 +12,8 @@
 #include <asm/hw_irq.h>
 #include <asm/idle.h>
 #include <asm/therm_throt.h>
+#include <asm/apic.h>
+#include <asm/pda.h>
 
 asmlinkage void smp_thermal_interrupt(void)
 {