CONFIG_VICTOR_MPC30X is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Support for Victor MP-C303/304

modulename: fixup-mpc30x.ko

configname: CONFIG_VICTOR_MPC30X

Linux/MIPS Kernel Configuration
└─>Machine selection
└─>Support for Victor MP-C303/304
In linux kernel since version 2.6.12  
source code:
arch/mips/pci/fixup-mpc30x.c