net: ethtool: pse-pd: Expand pse commands with the PSE PoE interface

Add PSE PoE interface support in the ethtool pse command.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Link: https://lore.kernel.org/r/20240417-feature_poe-v9-3-242293fd1900@bootlin.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>