firmware: arm_scmi: optee: 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>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.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/arm_scmi/transports/optee.c

@@ -612,23 +612,12 @@ static struct tee_client_driver scmi_optee_service_driver = {
 	.id_table	= scmi_optee_service_id,
 	.driver		= {
 		.name = "scmi-optee",
-		.bus = &tee_bus_type,
 		.probe = scmi_optee_service_probe,
 		.remove = scmi_optee_service_remove,
 	},
 };
 
-static int __init scmi_transport_optee_init(void)
-{
-	return driver_register(&scmi_optee_service_driver.driver);
-}
-module_init(scmi_transport_optee_init);
-
-static void __exit scmi_transport_optee_exit(void)
-{
-	driver_unregister(&scmi_optee_service_driver.driver);
-}
-module_exit(scmi_transport_optee_exit);
+module_tee_client_driver(scmi_optee_service_driver);
 
 MODULE_AUTHOR("Etienne Carriere <etienne.carriere@foss.st.com>");
 MODULE_DESCRIPTION("SCMI OPTEE Transport driver");