CONFIG_PPC_INDIRECT_PCI is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

CONFIG_PPC_INDIRECT_PCI (not configurable)

modulename: indirect_pci.ko

configname: CONFIG_PPC_INDIRECT_PCI

Linux Kernel Configuration
└─>Bus options
└─>PPC_INDIRECT_PCI
In linux kernel since version 2.6.15 (release Date: 2006-01-02)  
source code:
arch/powerpc/sysdev/indirect_pci.c
depends
CONFIG_PCI