default or selected kernelversion does not have config value CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4.
Result is shown for kernelversion 6.5.1

Synaptics i2c rmi4 touchscreen

modulename: synaptics_i2c_rmi4.ko


Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>I2C support
└─>Synaptics i2c rmi4 touchscreen
In linux kernel since version 2.6.38 (release Date: 2011-03-14)  
Say Y here if you have a Synaptics RMI4 and
want to enable support for the built-in touchscreen.

To compile this driver as a module, choose M here: the
module will be called synaptics_rmi4_ts.

source code: