default or selected kernelversion does not have config value CONFIG_ATARI_SCSI_TOSHIBA_DELAY.
Result is shown for kernelversion 5.9.9

Long delays for Toshiba CD-ROMs


Linux Kernel Configuration
└─> Device Drivers
└─> SCSI device support
└─> SCSI low-level drivers
└─> Long delays for Toshiba CD-ROMs

This option increases the delay after a SCSI arbitration to
accommodate some flaky Toshiba CD-ROM drives. Say Y if you intend to
use a Toshiba CD-ROM drive; otherwise, the option is not needed and
would impact performance a bit, so say N.