video: fbdev: mb862xx: mb862xx-i2c: don't print error when adding adapter fails

Don't print error when adding adapter fails. The core will do this for
us now.
Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
[tomi.valkeinen@ti.com: fixed the description]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/fbdev/mb862xx/mb862xx-i2c.c

@@ -162,12 +162,7 @@ int mb862xx_i2c_init(struct mb862xxfb_par *par)
 	mb862xx_i2c_adapter.algo_data = par;
 	par->adap = &mb862xx_i2c_adapter;
 
-	ret = i2c_add_adapter(par->adap);
-	if (ret < 0) {
-		dev_err(par->dev, "failed to add %s\n",
-			mb862xx_i2c_adapter.name);
-	}
-	return ret;
+	return i2c_add_adapter(par->adap);
 }
 
 void mb862xx_i2c_exit(struct mb862xxfb_par *par)