ata: pata_pdc2027x: Replace PDPRINTK() with standard ata logging

Use standard ata logging macros instead of the hand-crafted
PDPRINTK and remove duplicate logging messages.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>