CONFIG_MACH_OMAP3517EVM is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

OMAP3517/ AM3517 EVM board

modulename: board-am3517evm.ko

configname: CONFIG_MACH_OMAP3517EVM

Linux Kernel Configuration
└─>OMAP3517/ AM3517 EVM board
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
source code:
arch/arm/mach-omap2/board-am3517evm.c