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

Wario board

configname: CONFIG_MACH_WARIO

Linux Kernel Configuration
└─>Wario board
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
Support for the Wario version of Seaboard