[PATCH net 1/2] net: dsa: mt7530: populate lpi_interfaces to fix EEE support

[Aleksei Sviridkin]

> This is very verbose. Is it AI generated? Please revise it and make it
> suitable for a human.

AI assisted, English is not my first language and I lean on it for
prose. The verbosity is my fault though, I reviewed and approved every
word. v2 will carry the Why only and move the mechanism notes below
the scissors.

> It is normal to assume phylink is correct. Now, if you do find it
> doing the wrong thing, we want to know so we can fix it. So if you do
> want to validate it here, make it very noisy if the validation fails.

That note was about a possible defensive check in
mt753x_phylink_mac_enable_tx_lpi(), not something this series adds. If
I ever send it, it will warn loudly.