soc: mediatek: mtk-svs: Use devm variant for dev_pm_opp_of_add_table()

In error cases, this driver never calls dev_pm_opp_of_remove_table():
instead of doing that, simple switch to a devm variant, which will
automagically do that for us.

Fixes: 681a02e9 ("soc: mediatek: SVS: introduce MTK SVS engine")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220726141653.177948-6-angelogioacchino.delregno@collabora.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

drivers/soc/mediatek/mtk-svs.c

@@ -1586,7 +1586,7 @@ static int svs_bank_resource_setup(struct svs_platform *svsp)
 
 		dev_set_drvdata(svsb->dev, svsp);
 
-		ret = dev_pm_opp_of_add_table(svsb->opp_dev);
+		ret = devm_pm_opp_of_add_table(svsb->opp_dev);
 		if (ret) {
 			dev_err(svsb->dev, "add opp table fail: %d\n", ret);
 			return ret;