thermal/drivers/rockchip: Simplify getting match data

It's possible to directly get the match data in a generic
way nowadays.
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230308112253.15659-2-sebastian.reichel@collabora.com

drivers/thermal/rockchip_thermal.c

@@ -1350,15 +1350,10 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
 	struct rockchip_thermal_data *thermal;
-	const struct of_device_id *match;
 	int irq;
 	int i;
 	int error;
 
-	match = of_match_node(of_rockchip_thermal_match, np);
-	if (!match)
-		return -ENXIO;
-
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
 		return -EINVAL;
@@ -1370,7 +1365,7 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
 
 	thermal->pdev = pdev;
 
-	thermal->chip = (const struct rockchip_tsadc_chip *)match->data;
+	thermal->chip = device_get_match_data(&pdev->dev);
 	if (!thermal->chip)
 		return -EINVAL;