CONFIG_SA1100_H3100 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_SA1100_H3100.
Result is shown for kernelversion 6.9.9

Compaq iPAQ H3100

modulename: h3100.ko

configname: CONFIG_SA1100_H3100

Linux Kernel Configuration
└─>SA11x0 Implementations
└─>Compaq iPAQ H3100
In linux kernel since version 2.6.12  
Say Y here if you intend to run this kernel on the Compaq iPAQ
H3100 handheld computer.

source code: