Add PWM support for nRF52

[P1X3L8]

Component name

nRF52

Link to component documentation on our website

https://esphome.io/components/nrf52/

Describe the enhancement

PWM support is missing, only slow_pwm is available. This isn't useful for LEDs and other things requiring smooth or high-speed/precision PWM.

Use cases

Needed for LEDs, motors, and other external components

Anything else?

No response

[github-actions[bot]]

🏷️ I've automatically added the component: nrf52 label to help categorize this feature request.

[tomaszduda23]

LED would be quite easy to do https://github.com/nrfconnect/sdk-zephyr/blob/c6863fca5073cb733110b8490918f408bbfa6884/samples/drivers/led/led_strip/src/main.c#L44