media: cec: tegra: 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/cec/platform/tegra/tegra_cec.c:457:34: error: ‘tegra_cec_of_match’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/cec/platform/tegra/tegra_cec.c

@@ -462,7 +462,7 @@ static const struct of_device_id tegra_cec_of_match[] = {
 static struct platform_driver tegra_cec_driver = {
 	.driver = {
 		.name = TEGRA_CEC_NAME,
-		.of_match_table = of_match_ptr(tegra_cec_of_match),
+		.of_match_table = tegra_cec_of_match,
 	},
 	.probe = tegra_cec_probe,
 	.remove_new = tegra_cec_remove,