CONFIG_AMCORE is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k
Sysam AMCORE board support
modulename: amcore.ko
configname: CONFIG_AMCORE
Linux Kernel Configuration
└─>Sysam AMCORE board support
In linux kernel since version 4.1 (release Date: 2015-06-21)
Support for the Sysam AMCORE open-hardware generic board.