media: i2c: ov2680: drop of_match_ptr for ID table

The driver can match only via the DT table so the table should be always
used and the of_match_ptr does not have any sense (this also allows ACPI
matching via PRP0001, even though it might not be relevant here).  This
also fixes !CONFIG_OF error:

  drivers/media/i2c/ov2680.c:1149:34: error: ‘ov2680_dt_ids’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/i2c/ov2680.c

@@ -1156,7 +1156,7 @@ static struct i2c_driver ov2680_i2c_driver = {
 	.driver = {
 		.name  = "ov2680",
 		.pm = &ov2680_pm_ops,
-		.of_match_table	= of_match_ptr(ov2680_dt_ids),
+		.of_match_table	= ov2680_dt_ids,
 	},
 	.probe		= ov2680_probe,
 	.remove		= ov2680_remove,