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

CONFIG_MACH_ZYLONITE (not configurable)

configname: CONFIG_MACH_ZYLONITE

Linux Kernel Configuration
└─>PXA2xx/PXA3xx-based
└─>Intel PXA2xx/PXA3xx Implementations
└─>MACH_ZYLONITE
In linux kernel since version 2.6.24 (release Date: 2008-01-24)