same51g19a: Fix missing ETC channel definitions in WVariant#377

hathach merged 1 commit intoadafruit:masteradafruit/ArduinoCore-samd:masterfrom

EllaFoxo:fix/same51g19a_tcc_channelsEllaFoxo/ArduinoCore-samd:fix/same51g19a_tcc_channelsCopy head branch name to clipboard