ui: move qemu_spice_fill_device_address to ui/util.c

Other backends can use it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>

include/ui/console.h

@@ -495,4 +495,10 @@ int index_from_key(const char *key, size_t key_length);
 int udmabuf_fd(void);
 #endif
 
+/* util.c */
+bool qemu_console_fill_device_address(QemuConsole *con,
+                                      char *device_address,
+                                      size_t size,
+                                      Error **errp);
+
 #endif