CONFIG_PXA_V7_MACH_AUTO is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_PXA_V7_MACH_AUTO (not configurable)
configname: CONFIG_PXA_V7_MACH_AUTO
Linux Kernel Configuration
└─>Intel PXA2xx/PXA3xx Implementations
└─>PXA_V7_MACH_AUTO