CONFIG_PXA_SHARP_C7xx is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_PXA_SHARP_C7xx (not configurable)

modulename: corgi.ko

configname: CONFIG_PXA_SHARP_C7xx

Linux Kernel Configuration
└─>PXA_SHARP_C7xx
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Enable support for all Sharp C7xx models

source code: