CONFIG_CPU_ARM1020E is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Support ARM1020E processor

modulename: proc-arm1020e.ko

configname: CONFIG_CPU_ARM1020E

Linux Kernel Configuration
└─>Support ARM1020E processor
In linux kernel since version 2.6.12  
source code:
/arch/arm/mm/

depends
CONFIG_n