CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD.
Result is shown for kernelversion 6.5.1

Eukrea MBIMXSD development board

modulename: eukrea_mbimxsd35-baseboard.ko

configname: CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD

Baseboard
└─>Eukrea MBIMXSD development board
In linux kernel since version 2.6.36 (release Date: 2010-10-20)  
This adds board specific devices that can be found on Eukrea's
MBIMXSD evaluation board.

source code:
arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c