drm/tegra: gr2d: Correct swapped device-tree compatibles

The device-tree compatibles are swapped in the code, correct them.
Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Tested-by: Matt Merhar <mattmerhar@protonmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

drivers/gpu/drm/tegra/gr2d.c

@@ -162,8 +162,8 @@ static const struct gr2d_soc tegra30_gr2d_soc = {
 };
 
 static const struct of_device_id gr2d_match[] = {
-	{ .compatible = "nvidia,tegra30-gr2d", .data = &tegra20_gr2d_soc },
-	{ .compatible = "nvidia,tegra20-gr2d", .data = &tegra30_gr2d_soc },
+	{ .compatible = "nvidia,tegra30-gr2d", .data = &tegra30_gr2d_soc },
+	{ .compatible = "nvidia,tegra20-gr2d", .data = &tegra20_gr2d_soc },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, gr2d_match);