CONFIG_FXAS21002C_SPI (not configurable)

modulename: fxas21002c_spi.ko

configname: CONFIG_FXAS21002C_SPI

Linux Kernel Configuration
└─>Device Drivers
└─>Industrial I/O support
└─>Digital gyroscope sensors
└─>FXAS21002C_SPI
In linux kernel since version 5.1 (release Date: 2019-05-05)  
source code:

depends
CONFIG_IIO

is depended by
CONFIG_FXAS21002C