CONFIG_PXA_SHARP_Cxx00 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_PXA_SHARP_Cxx00 (not configurable)

modulename: spitz.ko

configname: CONFIG_PXA_SHARP_Cxx00

Linux Kernel Configuration
└─>PXA_SHARP_Cxx00
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Enable common support for Sharp Cxx00 models

source code: