Add Ethernet Shield W5100 support

[horodynskyimarian]

Component name

ethernet

Link to component documentation on our website

https://esphome.io/components/ethernet/

Describe the enhancement

The ethernet component supports W5500 ethernet shield, but i need w5100

Use cases

To use W5100 with ESPHome

Anything else?

No response

[github-actions[bot]]

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