spi: lm70llp: Switch to use module_parport_driver()

Switch to use module_parport_driver() to reduce boilerplate code.
Note, device_initcall() is a default for module_init().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/spi/spi-lm70llp.c

@@ -320,18 +320,7 @@ static struct parport_driver spi_lm70llp_drv = {
 	.detach =	spi_lm70llp_detach,
 	.devmodel =	true,
 };
-
-static int __init init_spi_lm70llp(void)
-{
-	return parport_register_driver(&spi_lm70llp_drv);
-}
-module_init(init_spi_lm70llp);
-
-static void __exit cleanup_spi_lm70llp(void)
-{
-	parport_unregister_driver(&spi_lm70llp_drv);
-}
-module_exit(cleanup_spi_lm70llp);
+module_parport_driver(spi_lm70llp_drv);
 
 MODULE_AUTHOR("Kaiwan N Billimoria <kaiwan@designergraphix.com>");
 MODULE_DESCRIPTION(