qemu-remote: enable usb uhci save\restore

index d0be523..80581d9 100644
@@ -157,7 +157,6 @@ static void uhci_reset(UHCIState *s)
     }
 }
 
-#if 0
 static void uhci_save(QEMUFile *f, void *opaque)
 {
     UHCIState *s = opaque;

@@ -209,7 +208,6 @@ static int uhci_load(QEMUFile *f, void *opaque, int version_id)
 
     return 0;
 }
-#endif
 
 static void uhci_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
 {

@@ -935,6 +933,7 @@ void usb_uhci_piix3_init(PCIBus *bus, int devfn)
        to rely on this.  */
     pci_register_io_region(&s->dev, 4, 0x20,
                            PCI_ADDRESS_SPACE_IO, uhci_map);
+    register_savevm("UHCI usb controller", 0, 1, uhci_save, uhci_load, s);
 }
 
 void usb_uhci_piix4_init(PCIBus *bus, int devfn)

@@ -970,4 +969,5 @@ void usb_uhci_piix4_init(PCIBus *bus, int devfn)
        to rely on this.  */
     pci_register_io_region(&s->dev, 4, 0x20,
                            PCI_ADDRESS_SPACE_IO, uhci_map);
+    register_savevm("UHCI usb controller", 0, 1, uhci_save, uhci_load, s);
 }