drm/exynos: fix ddc i2c device probe failure

Exynos hdmi ddc is a I2C device and if we register hdmi ddc
driver with id_table as NULL, cause failure in probing.

id_table field should not be NULL for i2c_driver registeration.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
diff --git a/drivers/gpu/drm/exynos/exynos_ddc.c b/drivers/gpu/drm/exynos/exynos_ddc.c
index 6a8c84e..54ead55 100644
--- a/drivers/gpu/drm/exynos/exynos_ddc.c
+++ b/drivers/gpu/drm/exynos/exynos_ddc.c
@@ -51,12 +51,17 @@
 	}
 };
 
+static struct i2c_device_id ddc_idtable[] = {
+	{ },
+};
+
 struct i2c_driver ddc_driver = {
 	.driver = {
 		.name = "exynos-hdmiddc",
 		.owner = THIS_MODULE,
 		.of_match_table = hdmiddc_match_types,
 	},
+	.id_table	= ddc_idtable,
 	.probe		= s5p_ddc_probe,
 	.remove		= s5p_ddc_remove,
 	.command		= NULL,