default or selected kernelversion does not have config value CONFIG_AMD_SBRMI_I2C.
Result is shown for kernelversion 6.16-rc7

AMD side band RMI support

modulename: sbrmi-i2c.ko

configname: CONFIG_AMD_SBRMI_I2C

Linux Kernel Configuration
└─>Device Drivers
└─>Misc devices
└─>AMD side band RMI support
In linux kernel since version 6.1.145 (release Date: 2025-07-14)  
Side band RMI over I2C support for AMD out of band management.

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

source code:
depends
CONFIG_I2C