phy: sparx5-serdes: add ops to match data

phy: sparx5-serdes: add ops to match data

We need to handle code differently in a few places. Add a struct:
sparx5_serdes_ops for this purpose, and populate it a with function to
set the SERDES type.

Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com>
Link: https://lore.kernel.org/r/20240909-sparx5-lan969x-serdes-driver-v2-4-d695bcb57b84@microchip.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>