CONFIG_TOSHIBA_JMR3927 is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Toshiba JMR-TX3927 board

modulename: fixup-jmr3927.ko

configname: CONFIG_TOSHIBA_JMR3927

Linux Kernel Configuration
└─>Toshiba JMR-TX3927 board
In linux kernel since version 2.6.12  
source code:
arch/mips/pci/fixup-jmr3927.c