Dropped the use of 'out' label from exynos_dsi_register_te_irq function
because the label isn't needed. This patch returns an error in each
error case directly not going to 'out' label.
With this patch build warning[1] is also fixed, which was reported by
kernel test robot <lkp@intel.com>
[1] https://www.spinics.net/lists/dri-devel/msg323803.html
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
        if (IS_ERR(dsi->te_gpio)) {
                dev_err(dsi->dev, "gpio request failed with %ld\n",
                                PTR_ERR(dsi->te_gpio));
-               goto out;
+               return PTR_ERR(dsi->te_gpio);
        }
 
        te_gpio_irq = gpiod_to_irq(dsi->te_gpio);
        if (ret) {
                dev_err(dsi->dev, "request interrupt failed with %d\n", ret);
                gpiod_put(dsi->te_gpio);
-               goto out;
+               return ret;
        }
 
-out:
-       return ret;
+       return 0;
 }
 
 static void exynos_dsi_unregister_te_irq(struct exynos_dsi *dsi)