Connect4: Swap LED mode of SoC Ethernet
Created by: l1k
Existing RevPi products use a green LED to signify link presence and an amber LED to signify activity.
The Connect 4's LAN7800 Ethernet retains that color scheme, but the SoC Ethernet does not: It uses green for activity and amber for link.
Invert the color scheme of the SoC Ethernet for consistency.
An effort is ongoing in mainline to introduce a standardized API and DeviceTree schema for Ethernet LED modes. It's still in review though, so use the Foundation's custom DeviceTree property for now:
https://lore.kernel.org/all/20230427001541.18704-1-ansuelsmth@gmail.com/