xsphy: try to get it working without syscon fallback on topmisc

no probe error, but lspci is empty (affects all ports)

Author: frank-w

drivers/phy/mediatek/phy-mtk-xsphy.c

@@ -339,7 +339,7 @@ static int phy_type_syscon_get(struct xsphy_instance *instance,
 
 	instance->type_sw_reg = args.args[0];
 	instance->type_sw_index = args.args[1] & 0x3; /* <=3 */
-	instance->type_sw = syscon_node_to_regmap(args.np);
+	instance->type_sw = device_node_to_regmap(args.np);
 	of_node_put(args.np);
 	dev_info(&instance->phy->dev, "type_sw - reg %#x, index %d\n",
 		 instance->type_sw_reg, instance->type_sw_index);