drm/bridge: ti-tfp410: clean up drm_bridge_add call

This patch removes unnecessary checking of return value.
Signed-off-by: NInki Dae <inki.dae@samsung.com>
Signed-off-by: NArchit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1499071350-25168-12-git-send-email-inki.dae@samsung.com

drivers/gpu/drm/bridge/ti-tfp410.c

@@ -237,11 +237,7 @@ static int tfp410_init(struct device *dev)
 		}
 	}
 
-	ret = drm_bridge_add(&dvi->bridge);
-	if (ret) {
-		dev_err(dev, "drm_bridge_add() failed: %d\n", ret);
-		goto fail;
-	}
+	drm_bridge_add(&dvi->bridge);
 
 	return 0;
 fail: