[libata] Address some checkpatch-spotted issues

drivers/ata/pata_pcmcia.c

drivers/ata/pdc_adma.c

drivers/ata/sata_inic162x.c

drivers/ata/sata_mv.c

drivers/ata/sata_nv.c

drivers/ata/sata_promise.c

drivers/ata/sata_qstor.c

drivers/ata/sata_sil.c

drivers/ata/sata_sil24.c

drivers/ata/sata_sis.c

drivers/ata/sata_svw.c

drivers/ata/sata_sx4.c

drivers/ata/sata_uli.c

drivers/ata/sata_via.c

drivers/ata/sata_vsc.c