Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series0/EZR32WG/EZR32WG330F256R63/CMU/PCNTCTRL#0x0
PCNT Control Register
PCNT0 Clock Enable
PCNT0 Clock Select
PCNT1 Clock Enable
PCNT1 Clock Select
PCNT2 Clock Enable
PCNT2 Clock Select
https://github.com/cmsis-svd/cmsis-svd-data