libertas_tf_usb: declare MODULE_FIRMWARE

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/libertas_tf/if_usb.c

@@ -23,6 +23,8 @@
 static char *lbtf_fw_name = "lbtf_usb.bin";
 module_param_named(fw_name, lbtf_fw_name, charp, 0644);
 
+MODULE_FIRMWARE("lbtf_usb.bin");
+
 static struct usb_device_id if_usb_table[] = {
 	/* Enter the device signature inside */
 	{ USB_DEVICE(0x1286, 0x2001) },