x86: smp.h move boot_cpu_id declartion to cpu.h

Impact: cleanup

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index f78371b..5a57753 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -6,6 +6,7 @@
 #include <linux/irq.h>
 #include <asm/io_apic.h>
 #include <asm/smp.h>
+#include <asm/cpu.h>
 #include <linux/intel-iommu.h>
 #include "intr_remapping.h"