Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFR32BG13P/EFR32BG13P532F512GM32/ETM/ETMCIDR0#0x0
Component ID0 Register
CoreSight Preamble
https://github.com/cmsis-svd/cmsis-svd-data