hw: move hw/kvm/ to hw/i386/kvm

Peter requested the KVM GIC to be in hw/intc.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

hw/i386/Makefile.objs

-obj-y += kvm/
-
-obj-y := $(addprefix ../,$(obj-y))
-
+obj-$(CONFIG_KVM) += kvm/
 obj-y += multiboot.o smbios.o
 obj-y += pc.o pc_piix.o pc_q35.o
 obj-$(CONFIG_XEN) += xen_domainbuild.o xen_machine_pv.o

hw/i386/kvm/Makefile.objs

+obj-y += clock.o apic.o i8259.o ioapic.o i8254.o pci-assign.o

hw/kvm/Makefile.objs

-obj-$(CONFIG_KVM) += clock.o apic.o i8259.o ioapic.o i8254.o pci-assign.o