ata: pata_cs5520: Add a couple of missing param descriptions

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

 drivers/ata/pata_cs5520.c:61: warning: Function parameter or member 'pio' not described in 'cs5520_set_timings'
 drivers/ata/pata_cs5520.c:257: warning: Function parameter or member 'mesg' not described in 'cs5520_pci_device_suspend'

Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-ide@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/ata/pata_cs5520.c

@@ -52,6 +52,7 @@ static const struct pio_clocks cs5520_pio_clocks[]={
  *	cs5520_set_timings	-	program PIO timings
  *	@ap: ATA port
  *	@adev: ATA device
+ *	@pio: PIO ID
  *
  *	Program the PIO mode timings for the controller according to the pio
  *	clocking table.
@@ -246,6 +247,7 @@ static int cs5520_reinit_one(struct pci_dev *pdev)
 /**
  *	cs5520_pci_device_suspend	-	device suspend
  *	@pdev: PCI device
+ *	@mesg: PM event message
  *
  *	We have to cut and waste bits from the standard method because
  *	the 5520 is a bit odd and not just a pure ATA device. As a result