CONFIG_PILOT3 is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k

Pilot 1000/5000, PalmPilot Personal/Pro, or PalmIII support

configname: CONFIG_PILOT3

Linux Kernel Configuration
└─>Pilot 1000/5000, PalmPilot Personal/Pro, or PalmIII support
In linux kernel since version 2.6.12  
Support for the Palm Pilot 1000/5000, Personal/Pro and PalmIII.

selects
CONFIG_PILOT

depends
CONFIG_M68328