Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series0/EFM32LG/EFM32LG890F64/CMU/ROUTE#0x0
LOCATION=LOC0
I/O Routing Register
CLKOUT0 Pin Enable
CLKOUT1 Pin Enable
I/O Location
0 (LOC0): Location 0
1 (LOC1): Location 1
2 (LOC2): Location 2
https://github.com/cmsis-svd/cmsis-svd-data