Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series0/EZR32WG/EZR32WG330F256R63/USB/ROUTE#0x0
I/O Routing Register
USB PHY Pin Enable
VBUSEN Pin Enable
DMPU Pin Enable
https://github.com/cmsis-svd/cmsis-svd-data