CONFIG_ARCH_H1940 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
IPAQ H1940
modulename: mach-h1940.ko
configname: CONFIG_ARCH_H1940
Linux Kernel Configuration
└─>SAMSUNG S3C24XX SoCs Support
└─>IPAQ H1940
In linux kernel since version 2.6.12
Say Y here if you are using the HP IPAQ H1940