CONFIG_MACH_APE6EVM is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

APE6EVM board

modulename: board-ape6evm.ko

configname: CONFIG_MACH_APE6EVM

Linux Kernel Configuration
└─>APE6EVM board
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
arch/arm/mach-shmobile/board-ape6evm.c