net: samsung: sxgbe: 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 is not relevant here).

  drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c:220:34: error: ‘sxgbe_dt_ids’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c

@@ -229,7 +229,7 @@ static struct platform_driver sxgbe_platform_driver = {
 	.driver	= {
 		.name		= SXGBE_RESOURCE_NAME,
 		.pm		= &sxgbe_platform_pm_ops,
-		.of_match_table	= of_match_ptr(sxgbe_dt_ids),
+		.of_match_table	= sxgbe_dt_ids,
 	},
 };