ia64/xen: define xen machine vector for domU.

define xen machine vector for domU.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index 905d25b..4024250 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -56,9 +56,11 @@
 core-$(CONFIG_IA64_GENERIC) 	+= arch/ia64/dig/
 core-$(CONFIG_IA64_HP_ZX1)	+= arch/ia64/dig/
 core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
+core-$(CONFIG_IA64_XEN_GUEST)	+= arch/ia64/dig/
 core-$(CONFIG_IA64_SGI_SN2)	+= arch/ia64/sn/
 core-$(CONFIG_IA64_SGI_UV)	+= arch/ia64/uv/
 core-$(CONFIG_KVM) 		+= arch/ia64/kvm/
+core-$(CONFIG_XEN)		+= arch/ia64/xen/
 
 drivers-$(CONFIG_PCI)		+= arch/ia64/pci/
 drivers-$(CONFIG_IA64_HP_SIM)	+= arch/ia64/hp/sim/