Mark "hdx=[driver_name]" and "hdx=scsi" kernel parameters as obsoleted
(nowadays device-driver binding can be changed at runtime through sysfs
 and it can also be dealt with using per device driver parameters).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
 
  "hdx=nodma"           : disallow DMA
 
- "hdx=scsi"            : the return of the ide-scsi flag, this is useful for
-                         allowing ide-floppy, ide-tape, and ide-cdrom|writers
-                         to use ide-scsi emulation on a device specific option.
-
  "idebus=xx"           : inform IDE driver of VESA/PCI bus speed in MHz,
                          where "xx" is between 20 and 66 inclusive,
                          used when tuning chipset PIO modes.
 
                drive = &hwif->drives[unit];
                if (strncmp(s + 4, "ide-", 4) == 0) {
                        strlcpy(drive->driver_req, s + 4, sizeof(drive->driver_req));
-                       goto done;
+                       goto obsolete_option;
                }
                switch (match_parm(&s[3], hd_words, vals, 3)) {
                        case -1: /* "none" */
                                goto done;
                        case -14: /* "scsi" */
                                drive->scsi = 1;
-                               goto done;
+                               goto obsolete_option;
                        case 3: /* cyl,head,sect */
                                drive->media    = ide_disk;
                                drive->ready_stat = READY_STAT;