CONFIG_eLIA is not available for thedefaultarchitecture x86.
Result is shown for architecture m68knommu
default or selected kernelversion does not have config value CONFIG_eLIA.
Result is shown for kernelversion 5.4.123

Moreton Bay eLIA board support

configname: CONFIG_eLIA

uClinux/68k (w/o MMU) Kernel Configuration
└─>Processor type and features
└─>Moreton Bay eLIA board support
In linux kernel since version 2.6.12  
Support for the Moreton Bay eLIA board.