mtd: mchp23k256: switch to mtd_device_register()

Use mtd_device_register() instead of mtd_device_parse_register() to
eliminate two unused parameters.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/devices/mchp23k256.c

@@ -151,9 +151,8 @@ static int mchp23k256_probe(struct spi_device *spi)
 	flash->mtd._read	= mchp23k256_read;
 	flash->mtd._write	= mchp23k256_write;
 
-	err = mtd_device_parse_register(&flash->mtd, NULL, NULL,
-					data ? data->parts : NULL,
-					data ? data->nr_parts : 0);
+	err = mtd_device_register(&flash->mtd, data ? data->parts : NULL,
+				  data ? data->nr_parts : 0);
 	if (err)
 		return err;