CONFIG_MACH_STMP378X_DEVB is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
Support STMP378x_devb Platform
modulename: mach-stmp378x_devb.ko
configname: CONFIG_MACH_STMP378X_DEVB
Linux Kernel Configuration
└─>Support STMP378x_devb Platform
In linux kernel since version 3 (release Date: 2011-07-21)
Include support for STMP378x-devb platform. This includes specific
configurations for the board and its peripherals.
configurations for the board and its peripherals.