From: Arjan van de Ven <arjan@infradead.org>

* make atapi_{input,output}_bytes() static, fix users to use drive->hwif
* remove ide_read_24() export; it's unused since the ide-io.c reorganization
* add a FIXME comment to the ide_fix_driveid() export

slightly changed by me (bart)
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>