CONFIG_MACH_CORGI is not available for the selected architecture x86.
Result is shown for architecture arm

Enable Sharp SL-C700 (Corgi) Support

configname: CONFIG_MACH_CORGI

Linux Kernel Configuration
└─>Enable Sharp SL-C700 (Corgi) Support
In linux kernel since version 2.6.20 (release Date: 2007-02-04)