watchdog: aspeed: 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/watchdog/aspeed_wdt.c:56:34: error: ‘aspeed_wdt_of_table’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230310223012.315897-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

Author: krzk

drivers/watchdog/aspeed_wdt.c

@@ -465,7 +465,7 @@ static struct platform_driver aspeed_watchdog_driver = {
 	.probe = aspeed_wdt_probe,
 	.driver = {
 		.name = KBUILD_MODNAME,
-		.of_match_table = of_match_ptr(aspeed_wdt_of_table),
+		.of_match_table = aspeed_wdt_of_table,
 	},
 };