CONFIG_MACH_CM_T3517 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CompuLab CM-T3517 module

modulename: board-cm-t3517.ko

configname: CONFIG_MACH_CM_T3517

Linux Kernel Configuration
└─>TI OMAP2/3/4 Specific Features
└─>CompuLab CM-T3517 module
In linux kernel since version 2.6.37 (release Date: 2011-01-04)  
source code:
arch/arm/mach-omap2/board-cm-t3517.c