CONFIG_PCI_VR41XX is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Add PCI control unit support of NEC VR4100 series

modulename: ops-vr41xx.ko

configname: CONFIG_PCI_VR41XX

Linux Kernel Configuration
└─>Add PCI control unit support of NEC VR4100 series
In linux kernel since version 2.6.12  
source code:
arch/mips/pci/
selects
CONFIG_PCI


is depended by
CONFIG_ROCKHOPPER