mtd: Fix a typo in a comment

o and t are swapped.
s/mtdpsotre/mtdpstore/

Signed-off-by: Christophe JAILLET <[e-mail]>
Signed-off-by: Miquel Raynal <[e-mail]>
Link: https://lore.kernel.org/linux-mtd/de1b1134f0[e-mail]

drivers/mtd/mtdpstore.c

···
 	/*
 	 * 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) {