mtd: rawnand: trivial spelling

The word 'descriptor' is misspelled throughout the tree.

Fix it up accordingly:
    decriptors -> descriptors
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200609124610.3445662-5-kieran.bingham+renesas@ideasonboard.com

drivers/mtd/nand/raw/mxc_nand.c

@@ -1432,7 +1432,7 @@ static int mxc_nand_get_features(struct nand_chip *chip, int addr,
 }
 
 /*
- * The generic flash bbt decriptors overlap with our ecc
+ * The generic flash bbt descriptors overlap with our ecc
  * hardware, so define some i.MX specific ones.
  */
 static uint8_t bbt_pattern[] = { 'B', 'b', 't', '0' };

drivers/mtd/nand/raw/nand_bbt.c

@@ -1226,7 +1226,7 @@ static int nand_scan_bbt(struct nand_chip *this, struct nand_bbt_descr *bd)
 		return -ENOMEM;
 
 	/*
-	 * If no primary table decriptor is given, scan the device to build a
+	 * If no primary table descriptor is given, scan the device to build a
 	 * memory based bad block table.
 	 */
 	if (!td) {