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

enable ETNAVIV register logging


Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>enable ETNAVIV register logging
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Compile in support for logging register reads/writes in a format
that can be parsed by envytools demsm tool. If enabled, register
logging can be switched on via etnaviv.reglog=y module param.