ata: libata: move ata_{port,link,dev}_dbg to standard pr_XXX() macros

Use standard pr_{debug,info,notice,warn,err} macros instead of the
hand-crafted printk helpers.

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