serial: liteuart: minor style fix in liteuart_init()

Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20221123130500.1030189-6-gsomlo@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/liteuart.c

@@ -397,12 +397,10 @@ static int __init liteuart_init(void)
 		return res;
 
 	res = platform_driver_register(&liteuart_platform_driver);
-	if (res) {
+	if (res)
 		uart_unregister_driver(&liteuart_driver);
-		return res;
-	}
 
-	return 0;
+	return res;
 }
 
 static void __exit liteuart_exit(void)