ata: fix some kernel-doc markups

Some functions have different names between their prototypes
and the kernel-doc markup.

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>
Signed-off-by: Jens Axboe <[e-mail]>

drivers/ata/libata-core.c

···
 EXPORT_SYMBOL_GPL(ata_host_start);
 
 /**
- *	ata_sas_host_init - Initialize a host struct for sas (ipr, libsas)
+ *	ata_host_init - Initialize a host struct for sas (ipr, libsas)
  *	@host:	host to initialize
  *	@dev:	device host is attached to
  *	@ops:	port_ops

drivers/ata/libata-eh.c

···
 EXPORT_SYMBOL_GPL(ata_eh_freeze_port);
 
 /**
- *	ata_port_thaw_port - EH helper to thaw port
+ *	ata_eh_thaw_port - EH helper to thaw port
  *	@ap: ATA port to thaw
  *
  *	Thaw frozen port @ap.

drivers/ata/libata-scsi.c

···
 }
 
 /**
- *	atapi_drain_needed - Check whether data transfer may overflow
+ *	ata_scsi_dma_need_drain - Check whether data transfer may overflow
  *	@rq: request to be checked
  *
  *	ATAPI commands which transfer variable length data to host