CONFIG_TOSHIBA_FPCIB0 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

FPCIB0 Backplane Support

modulename: smsc_fdc37m81x.ko

configname: CONFIG_TOSHIBA_FPCIB0

Linux/MIPS Kernel Configuration
└─>Machine selection
└─>FPCIB0 Backplane Support
In linux kernel since version 2.6.12  
source code:
arch/mips/tx4927/common/
selects

CONFIG_I8259