net: ieee802154: ca8210: 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/net/ieee802154/ca8210.c:3174:34: error: ‘ca8210_of_ids’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ieee802154/ca8210.c

@@ -3180,7 +3180,7 @@ static struct spi_driver ca8210_spi_driver = {
 	.driver = {
 		.name =                 DRIVER_NAME,
 		.owner =                THIS_MODULE,
-		.of_match_table =       of_match_ptr(ca8210_of_ids),
+		.of_match_table =       ca8210_of_ids,
 	},
 	.probe  =                       ca8210_probe,
 	.remove =                       ca8210_remove