mtd: Fix a typo in a comment

o and t are swapped.
s/mtdpsotre/mtdpstore/
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/de1b1134f056ea7563bb0a9bb2f66ede1475728d.1659816434.git.christophe.jaillet@wanadoo.fr

drivers/mtd/mtdpstore.c

@@ -401,7 +401,7 @@ static void mtdpstore_notify_add(struct mtd_info *mtd)
 	/*
 	 * kmsg_size must be aligned to 4096 Bytes, which is limited by
 	 * psblk. The default value of kmsg_size is 64KB. If kmsg_size
-	 * is larger than erasesize, some errors will occur since mtdpsotre
+	 * is larger than erasesize, some errors will occur since mtdpstore
 	 * is designed on it.
 	 */
 	if (mtd->erasesize < info->kmsg_size) {