CONFIG_MACH_CM_T35 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CompuLab CM-T35 module

modulename: board-cm-t35.ko

configname: CONFIG_MACH_CM_T35

Linux Kernel Configuration
└─>CompuLab CM-T35 module
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
source code:
/arch/arm/mach-omap2/


is selected by
CONFIG_SND_OMAP_SOC_OVERO