feat(uart): adds Serial4 as a keyword - used by ESP32-P4#10619

me-no-dev merged 2 commits intorelease/v3.1.xespressif/arduino-esp32:release/v3.1.xfrom

hardware_serial_keywords_esp32p4espressif/arduino-esp32:hardware_serial_keywords_esp32p4Copy head branch name to clipboard