realtek: phy: fix RTL8218D detection

Currently RTL8218D detection works for a range of devices. That can lead to
false positives. E.g. RTL8218B or RTL8214FC are covered by the detection mask
as well. That is wrong. Nail detection down to the real RTL8218D phy id.

Signed-off-by: Markus Stockhausen <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/16457
Signed-off-by: Robert Marko <[email protected]>

target/linux/realtek/files-6.6/drivers/net/phy/rtl83xx-phy.c

@@ -3929,7 +3929,7 @@ static struct phy_driver rtl83xx_phy_driver[] = {
 		.get_eee	= rtl8218b_get_eee,
 	},
 	{
-		PHY_ID_MATCH_MODEL(PHY_ID_RTL8218D),
+		PHY_ID_MATCH_EXACT(PHY_ID_RTL8218D),
 		.name		= "REALTEK RTL8218D",
 		.features	= PHY_GBIT_FEATURES,
 		.probe		= rtl8218d_phy_probe,