CONFIG_MACH_PCA100 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Phytec phyCARD-s (pca100)
modulename: mach-pca100.ko
configname: CONFIG_MACH_PCA100
Linux Kernel Configuration
└─>Phytec phyCARD-s (pca100)
In linux kernel since version 2.6.32 (release Date: 2009-12-02)
Include support for phyCARD-s (aka pca100) platform. This
includes specific configurations for the module and its peripherals.
includes specific configurations for the module and its peripherals.