Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG12B/EFM32GG12B410F1024IL112/ETM/ETMCLAIMCLR#0x0
ETM Claim Tag Clear Register
Tag Bits
https://github.com/cmsis-svd/cmsis-svd-data