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

CompuLab CM-X270 modules

modulename: cm-x2xx-pci.ko

and/or

cm-x270.ko

and/or

pxa2xx_cm_x2xx_cs.ko

and/or

cm-x270-pci.ko

and/or

cm-x2xx.ko

configname: CONFIG_MACH_ARMCORE

Select target board
└─>CompuLab CM-X270 modules
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
source code: