CONFIG_ARCH_MAY_HAVE_PC_FDC is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
CONFIG_ARCH_MAY_HAVE_PC_FDC (not configurable)
configname: CONFIG_ARCH_MAY_HAVE_PC_FDC
Linux Kernel Configuration
└─>ARCH_MAY_HAVE_PC_FDC