CONFIG_HW_HAS_PCI is not available for thedefaultarchitecture x86.
Result is shown for architecture mips
CONFIG_HW_HAS_PCI (not configurable)
configname: CONFIG_HW_HAS_PCI
Linux/MIPS Kernel Configuration
└─>Bus options (PCI, PCMCIA, EISA, ISA, TC)
└─>HW_HAS_PCI