CONFIG_PXA_EZX is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Motorola EZX Platform
modulename: ezx.ko
configname: CONFIG_PXA_EZX
Linux Kernel Configuration
└─>PXA2xx/PXA3xx-based
└─>Intel PXA2xx/PXA3xx Implementations
└─>Motorola EZX Platform