ide: check only for CACHE FLUSH command support in ide_id_has_flush_cache()

All devices supporting CACHE FLUSH EXT command should also support
CACHE FLUSH command so it is sufficient to check only for CACHE FLUSH
in ide_id_has_flush_cache().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
1 file changed