CONFIG_CPU_FREQ_PXA is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_CPU_FREQ_PXA (not configurable)
configname: CONFIG_CPU_FREQ_PXA
Linux Kernel Configuration
└─>CPU Frequency scaling
└─>CPU_FREQ_PXA
In linux kernel since version 2.6.25 (release Date: 2008-04-16)
selects
CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACEdepends
CONFIG_ARCH_PXACONFIG_CPU_FREQ
CONFIG_PXA25x
CONFIG_ARCH_IMX or CONFIG_ARCH_INTEGRATOR or CONFIG_ARCH_OMAP or CONFIG_ARCH_PXA or CONFIG_ARCH_SA1100