mtd: fix minor comment typo for struct mtd_master

Minor typo in the suspend description.
Signed-off-by: Marcel Hamer <marcel.hamer@windriver.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240216155022.79371-1-marcel.hamer@windriver.com

include/linux/mtd/mtd.h

@@ -223,7 +223,7 @@ struct mtd_part {
  * @partitions_lock: lock protecting accesses to the partition list. Protects
  *		     not only the master partition list, but also all
  *		     sub-partitions.
- * @suspended: et to 1 when the device is suspended, 0 otherwise
+ * @suspended: set to 1 when the device is suspended, 0 otherwise
  *
  * This struct is embedded in mtd_info and contains master-specific
  * properties/fields. The master is the root MTD device from the MTD partition