CONFIG_LASAT is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
default or selected kernelversion does not have config value CONFIG_LASAT.
Result is shown for kernelversion 6.9.9

LASAT Networks platforms

modulename: pci-lasat.ko

configname: CONFIG_LASAT

System type
└─>LASAT Networks platforms
In linux kernel since version 2.6.12  
source code:
arch/mips/pci/pci-lasat.c