Currently, several examples do not explicitly state their component
dependencies, relying instead on the default behavior that includes all
registered components and commonly required ones in the build.
Explicitly adding component dependencies can reduce build time when
set(COMPONENTS main) is used.
Signed-off-by: Frantisek Hrbata <frantisek.hrbata@espressif.com>
Changes on the ledc_init function
Review on the README, docs and example functions
Added how to set freq and duty on README
Fix on the ledc.rst docs in the App Example
Added new example reference in the Chinese docs