ata: pata_pdc202xx_old: Fix some incorrectly named functions

Fixes the following W=1 kernel build warning(s):

 drivers/ata/pata_pdc202xx_old.c:127: warning: expecting prototype for pdc202xx_configure_dmamode(). Prototype was for pdc202xx_set_dmamode() instead
 drivers/ata/pata_pdc202xx_old.c:228: warning: expecting prototype for pdc2026x_bmdma_end(). Prototype was for pdc2026x_bmdma_stop() instead

Cc: Jens Axboe <axboe@kernel.dk>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-ide@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210318085150.3131936-2-lee.jones@linaro.orgSigned-off-by: Jens Axboe <axboe@kernel.dk>

drivers/ata/pata_pdc202xx_old.c

@@ -115,7 +115,7 @@ static void pdc202xx_set_piomode(struct ata_port *ap, struct ata_device *adev)
 }
 
 /**
- *	pdc202xx_configure_dmamode	-	set DMA mode in chip
+ *	pdc202xx_set_dmamode	-	set DMA mode in chip
  *	@ap: ATA interface
  *	@adev: ATA device
  *
@@ -214,7 +214,7 @@ static void pdc2026x_bmdma_start(struct ata_queued_cmd *qc)
 }
 
 /**
- *	pdc2026x_bmdma_end		-	DMA engine stop
+ *	pdc2026x_bmdma_stop		-	DMA engine stop
  *	@qc: ATA command
  *
  *	After a DMA completes we need to put the clock back to 33MHz for