KVM: Move assigned device code to own file

Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index 0e7fe78..31a7035 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -6,7 +6,8 @@
 CFLAGS_vmx.o := -I.
 
 kvm-y			+= $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o \
-				coalesced_mmio.o irq_comm.o eventfd.o)
+				coalesced_mmio.o irq_comm.o eventfd.o \
+				assigned-dev.o)
 kvm-$(CONFIG_IOMMU_API)	+= $(addprefix ../../../virt/kvm/, iommu.o)
 
 kvm-y			+= x86.o mmu.o emulate.o i8259.o irq.o lapic.o \