CONFIG_MACH_AP4EVB is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_MACH_AP4EVB.
Result is shown for kernelversion 6.2.5
AP4EVB board
modulename: board-ap4evb.ko
configname: CONFIG_MACH_AP4EVB
Linux Kernel Configuration
└─>AP4EVB board