media: cec: meson: 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).

  drivers/media/cec/platform/meson/ao-cec.c:711:34: error: ‘meson_ao_cec_of_match’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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/meson/ao-cec.c

@@ -717,7 +717,7 @@ static struct platform_driver meson_ao_cec_driver = {
 	.remove_new = meson_ao_cec_remove,
 	.driver  = {
 		.name = "meson-ao-cec",
-		.of_match_table = of_match_ptr(meson_ao_cec_of_match),
+		.of_match_table = meson_ao_cec_of_match,
 	},
 };