CONFIG_BMG160_SPI (not configurable)

modulename: bmg160_spi.ko

configname: CONFIG_BMG160_SPI

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Digital gyroscope sensors
└─>BMG160_SPI
In linux kernel since version 4.1 (release Date: 2015-06-21)  
source code:
drivers/iio/gyro/bmg160_spi.c

depends
CONFIG_IIO

is depended by
CONFIG_BMG160