soc: ti: omap_prm: Use of_device_get_match_data()

Since omap_prm_id_table all have (and expected to have) data entries,
use of_device_get_match_data() to simplify the code.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20220307033736.2075221-1-chi.minghao@zte.com.cn

drivers/soc/ti/omap_prm.c

@@ -941,23 +941,20 @@ static int omap_prm_probe(struct platform_device *pdev)
 	struct resource *res;
 	const struct omap_prm_data *data;
 	struct omap_prm *prm;
-	const struct of_device_id *match;
 	int ret;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
 		return -ENODEV;
 
-	match = of_match_device(omap_prm_id_table, &pdev->dev);
-	if (!match)
+	data = of_device_get_match_data(&pdev->dev);
+	if (!data)
 		return -ENOTSUPP;
 
 	prm = devm_kzalloc(&pdev->dev, sizeof(*prm), GFP_KERNEL);
 	if (!prm)
 		return -ENOMEM;
 
-	data = match->data;
-
 	while (data->base != res->start) {
 		if (!data->base)
 			return -EINVAL;