Bugfix(LEDC): Add missing ledc_set_pin declaration in led.h
Bugfix(LEDC): Add missing ledc_set_pin declaration in led.h

    Merges https://github.com/espressif/esp-idf/pull/4632

espressif/esp-idf,espressif/esp-idf,espressif/esp-idf,espressif/esp-idf