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/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

depends
CONFIG_TOSHIBA_RBTX4927 or CONFIG_MACH_TXX9 |
| CONFIG_PCI