ide: clear HOB bit for REQ_TYPE_ATA_TASK requests in ide_end_drive_cmd()

ide_dump_ata_status() may set HOB bit before ide_end_drive_cmd() is called.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-io.c

@@ -340,6 +340,8 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err)
 		if (args) {
 			args[0] = stat;
 			args[1] = err;
+			/* be sure we're looking at the low order bits */
+			hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
 			args[2] = hwif->INB(IDE_NSECTOR_REG);
 			args[3] = hwif->INB(IDE_SECTOR_REG);
 			args[4] = hwif->INB(IDE_LCYL_REG);