default or selected kernelversion does not have config value CONFIG_BLZ1230_SCSI.
Result is shown for kernelversion 5.15.113

Blizzard 1230IV/1260 SCSI support

modulename: NCR53C9x.ko

configname: CONFIG_BLZ1230_SCSI

Linux Kernel Configuration
└─>Device Drivers
└─>SCSI device support
└─>SCSI low-level drivers
└─>Blizzard 1230IV/1260 SCSI support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
If you have an Amiga 1200 with a Phase5 Blizzard 1230IV or Blizzard
1260 accelerator, and the optional SCSI module, say Y. Otherwise,
say N.

source code: