firmware: tee_bnxt: Make use of module_tee_client_driver()

Reduce boilerplate by using the newly introduced module_tee_client_driver().
That takes care of assigning the driver's bus, so the explicit assigning
in this driver can be dropped.

Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

Author: ukleinek

drivers/firmware/broadcom/tee_bnxt_fw.c

@@ -261,25 +261,13 @@ static struct tee_client_driver tee_bnxt_fw_driver = {
 	.id_table	= tee_bnxt_fw_id_table,
 	.driver		= {
 		.name		= KBUILD_MODNAME,
-		.bus		= &tee_bus_type,
 		.probe		= tee_bnxt_fw_probe,
 		.remove		= tee_bnxt_fw_remove,
 		.shutdown	= tee_bnxt_fw_shutdown,
 	},
 };
 
-static int __init tee_bnxt_fw_mod_init(void)
-{
-	return driver_register(&tee_bnxt_fw_driver.driver);
-}
-
-static void __exit tee_bnxt_fw_mod_exit(void)
-{
-	driver_unregister(&tee_bnxt_fw_driver.driver);
-}
-
-module_init(tee_bnxt_fw_mod_init);
-module_exit(tee_bnxt_fw_mod_exit);
+module_tee_client_driver(tee_bnxt_fw_driver);
 
 MODULE_AUTHOR("Vikas Gupta <vikas.gupta@broadcom.com>");
 MODULE_DESCRIPTION("Broadcom bnxt firmware manager");