kerneldoc fix in libata

Fix parameter name from ata_dev_reread_id() in libata-core.c for kerneldoc.
Signed-off-by: NHenrik Kretzschmar <henne@nachtwindheim.de>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/ata/libata-core.c

@@ -3659,7 +3659,7 @@ static int ata_dev_same_device(struct ata_device *dev, unsigned int new_class,
 
 /**
  *	ata_dev_reread_id - Re-read IDENTIFY data
- *	@adev: target ATA device
+ *	@dev: target ATA device
  *	@readid_flags: read ID flags
  *
  *	Re-read IDENTIFY page and make sure @dev is still attached to