usb: gadget: renesas_usb3: 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/usb/gadget/udc/renesas_usb3.c:2811:34: error: ‘usb3_of_match’ defined but not used [-Werror=unused-const-variable=]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230311173624.263189-5-krzysztof.kozlowski@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/gadget/udc/renesas_usb3.c

@@ -3018,7 +3018,7 @@ static struct platform_driver renesas_usb3_driver = {
 	.driver		= {
 		.name =	udc_name,
 		.pm		= &renesas_usb3_pm_ops,
-		.of_match_table = of_match_ptr(usb3_of_match),
+		.of_match_table = usb3_of_match,
 	},
 };
 module_platform_driver(renesas_usb3_driver);