CONFIG_TOSHIBA_FPCIB0 is not available for the selected architecture x86.
Result is shown for architecture mips

FPCIB0 Backplane Support

modulename: smsc_fdc37m81x.ko

configname: CONFIG_TOSHIBA_FPCIB0

Linux Kernel Configuration
└─>FPCIB0 Backplane Support
In linux kernel since version 2.6.12 )
source code: