default or selected kernelversion does not have config value CONFIG_MTD_LASAT.
Result is shown for kernelversion 5.15.113
LASAT flash device
modulename: lasat.ko
configname: CONFIG_MTD_LASAT
Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Devices (MTD)
└─>Mapping drivers for chip access
└─>LASAT flash device
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
Support for the flash chips on the Lasat 100 and 200 boards.