mtd: spinand: Fix comment

This is a copy paste error, checking the ECC status finishes a page read
here, not a page write.

Fixes: 945845b5 ("mtd: spinand: Instantiate a SPI-NAND on-die ECC engine")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210629195157.567828-1-miquel.raynal@bootlin.com

drivers/mtd/nand/spi/core.c

@@ -307,7 +307,7 @@ static int spinand_ondie_ecc_finish_io_req(struct nand_device *nand,
 	if (req->type == NAND_PAGE_WRITE)
 		return 0;
 
-	/* Finish a page write: check the status, report errors/bitflips */
+	/* Finish a page read: check the status, report errors/bitflips */
 	ret = spinand_check_ecc_status(spinand, engine_conf->status);
 	if (ret == -EBADMSG)
 		mtd->ecc_stats.failed++;