drm/tegra: Rename gr2d to tegra-gr2d

Other drivers use the tegra- prefix in their names, so add it to this
driver's name as well for consistency.
Signed-off-by: NThierry Reding <treding@nvidia.com>

drivers/gpu/host1x/drm/gr2d.c

@@ -326,7 +326,7 @@ static int gr2d_remove(struct platform_device *pdev)
 
 struct platform_driver tegra_gr2d_driver = {
 	.driver = {
-		.name = "gr2d",
+		.name = "tegra-gr2d",
 		.of_match_table = gr2d_match,
 	},
 	.probe = gr2d_probe,