ptp: ines: 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/ptp/ptp_ines.c:783:34: error: ‘ines_ptp_ctrl_of_match’ 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>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://lore.kernel.org/r/20230312132637.352755-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/ptp/ptp_ines.c

@@ -792,7 +792,7 @@ static struct platform_driver ines_ptp_ctrl_driver = {
 	.remove = ines_ptp_ctrl_remove,
 	.driver = {
 		.name = "ines_ptp_ctrl",
-		.of_match_table = of_match_ptr(ines_ptp_ctrl_of_match),
+		.of_match_table = ines_ptp_ctrl_of_match,
 	},
 };
 module_platform_driver(ines_ptp_ctrl_driver);