CONFIG_ARCH_FSL_LS2085A is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64
default or selected kernelversion does not have config value CONFIG_ARCH_FSL_LS2085A.
Result is shown for kernelversion 5.4.229

Freescale LS2085A SOC

configname: CONFIG_ARCH_FSL_LS2085A

Linux Kernel Configuration
└─>Platform selection
└─>Freescale LS2085A SOC
In linux kernel since version 4 (release Date: 2015-04-12)  
This enables support for Freescale LS2085A SOC.