default or selected kernelversion does not have config value CONFIG_I2C_BLACKFIN_TWI.
Result is shown for kernelversion 6.7-rc3

Blackfin TWI I2C support

modulename: i2c-bfin-twi.ko

configname: CONFIG_I2C_BLACKFIN_TWI

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C Hardware Bus support
└─>Blackfin TWI I2C support
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
This is the I2C bus driver for Blackfin on-chip TWI interface.

This driver can also be built as a module. If so, the module
will be called i2c-bfin-twi.

source code: