default or selected kernelversion does not have config value CONFIG_DT3155.
Result is shown for kernelversion 5.4.229

DT3155 Digitizer support

modulename: dt3155.ko

configname: CONFIG_DT3155

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>DT3155 Digitizer support
In linux kernel since version 2.6.34 (release Date: 2010-05-16)  
source code:
drivers/staging/dt3155/