KVM: ia64: Fix the build errors due to lack of macros related to MSI.

Include the newly introduced msidef.h to solve the build issues.

Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/ia64/kvm/irq.h b/arch/ia64/kvm/irq.h
index c6786e8..c0785a7 100644
--- a/arch/ia64/kvm/irq.h
+++ b/arch/ia64/kvm/irq.h
@@ -23,6 +23,8 @@
 #ifndef __IRQ_H
 #define __IRQ_H
 
+#include "lapic.h"
+
 static inline int irqchip_in_kernel(struct kvm *kvm)
 {
 	return 1;
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index c516d61..a70d805 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -21,9 +21,7 @@
 
 #include <linux/kvm_host.h>
 
-#ifdef CONFIG_X86
 #include <asm/msidef.h>
-#endif
 
 #include "irq.h"