soc: tegra: Simplify with of_machine_device_match()

Replace open-coded getting root OF node and matching against it with
new of_machine_device_match() helper.

Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251112-b4-of-match-matchine-data-v2-11-d46b72003fd6@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

Author: krzk

drivers/soc/tegra/common.c

@@ -27,17 +27,7 @@ static const struct of_device_id tegra_machine_match[] = {
 
 bool soc_is_tegra(void)
 {
-	const struct of_device_id *match;
-	struct device_node *root;
-
-	root = of_find_node_by_path("/");
-	if (!root)
-		return false;
-
-	match = of_match_node(tegra_machine_match, root);
-	of_node_put(root);
-
-	return match != NULL;
+	return of_machine_device_match(tegra_machine_match);
 }
 
 static int tegra_core_dev_init_opp_state(struct device *dev)