net: ni: 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/ni/nixge.c:1253:34: error: ‘nixge_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/ni/nixge.c

@@ -1422,7 +1422,7 @@ static struct platform_driver nixge_driver = {
 	.remove		= nixge_remove,
 	.driver		= {
 		.name		= "nixge",
-		.of_match_table	= of_match_ptr(nixge_dt_ids),
+		.of_match_table	= nixge_dt_ids,
 	},
 };
 module_platform_driver(nixge_driver);