CONFIG_MACH_EUKREA_CPUIMX35SD is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

Support Eukrea CPUIMX35 Platform

modulename: mach-cpuimx35.ko

configname: CONFIG_MACH_EUKREA_CPUIMX35SD

Linux Kernel Configuration
└─>Support Eukrea CPUIMX35 Platform
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Include support for Eukrea CPUIMX35 platform. This includes
specific configurations for the board and its peripherals.

source code:
arch/arm/mach-imx/mach-cpuimx35.c