mfd: rave-sp: Fix typo in rave_sp_checksum comment

Caculated -> Calculated

Signed-off-by: Yangtao Li <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>

drivers/mfd/rave-sp.c

···
 /**
  * struct rave_sp_checksum - Variant specific checksum implementation details
  *
- * @length:	Caculated checksum length
+ * @length:	Calculated checksum length
  * @subroutine:	Utilized checksum algorithm implementation
  */
 struct rave_sp_checksum {