CONFIG_SPARC_GRPCI2 is not available for thedefaultarchitecture x86.
Result is shown for architecture sparc
GRPCI2 Host Bridge Support
modulename: leon_pci_grpci2.ko
configname: CONFIG_SPARC_GRPCI2
Linux Kernel Configuration
└─>Bus options (PCI etc.)
└─>GRPCI2 Host Bridge Support
In linux kernel since version 3.1 (release Date: 2011-10-24)
Say Y here to include the GRPCI2 Host Bridge Driver.