Revert "qemu_capabilities: Temporarily disable dbus-vmstate capability"

This reverts commit 929e0bd2.

I've mistakenly pushed wrong branch.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/qemu/qemu_capabilities.c

@@ -1129,6 +1129,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "virtio-serial-pci-non-transitional", QEMU_CAPS_VIRTIO_PCI_TRANSITIONAL },
     { "max-x86_64-cpu", QEMU_CAPS_X86_MAX_CPU },
     { "bochs-display", QEMU_CAPS_DEVICE_BOCHS_DISPLAY },
+    { "dbus-vmstate", QEMU_CAPS_DBUS_VMSTATE },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsDevicePropsVirtioBalloon[] = {