CONFIG_MACH_COLIBRI320 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Toradex Colibri PXA320
modulename: colibri-pxa3xx.ko
configname: CONFIG_MACH_COLIBRI320
Linux Kernel Configuration
└─>PXA2xx/PXA3xx-based
└─>Intel PXA2xx/PXA3xx Implementations
└─>Toradex Colibri PXA320