[libata] Update kernel-doc comments to match source code

Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com>

diff --cc drivers/ata/libata-core.c
Simple merge

diff --cc drivers/ata/pata_bf54x.c
Simple merge

diff --cc drivers/ata/pata_legacy.c
Simple merge

diff --cc drivers/ata/pata_oldpiix.c
Simple merge

diff --cc drivers/ata/pata_pdc2027x.c
Simple merge

diff --cc drivers/ata/pata_radisys.c
Simple merge

diff --cc drivers/ata/pata_scc.c
Simple merge

diff --cc drivers/ata/pata_serverworks.c
Simple merge

diff --cc drivers/ata/pata_sis.c
Simple merge

diff --cc drivers/ata/sata_mv.c
Simple merge