watchdog: bcm7038_wdt: Add platform device id for bcm63xx-wdt

In order to phase out bcm63xx_wdt and use bcm7038_wdt instead, introduce
a platform_device_id table that allows both names to be matched.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20211112224636.395101-6-f.fainelli@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
diff --git a/drivers/watchdog/bcm7038_wdt.c b/drivers/watchdog/bcm7038_wdt.c
index 506cd7e..8656a13 100644
--- a/drivers/watchdog/bcm7038_wdt.c
+++ b/drivers/watchdog/bcm7038_wdt.c
@@ -223,8 +223,15 @@ static const struct of_device_id bcm7038_wdt_match[] = {
 };
 MODULE_DEVICE_TABLE(of, bcm7038_wdt_match);
 
+static const struct platform_device_id bcm7038_wdt_devtype[] = {
+	{ .name = "bcm63xx-wdt" },
+	{ /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(platform, bcm7038_wdt_devtype);
+
 static struct platform_driver bcm7038_wdt_driver = {
 	.probe		= bcm7038_wdt_probe,
+	.id_table	= bcm7038_wdt_devtype,
 	.driver		= {
 		.name		= "bcm7038-wdt",
 		.of_match_table	= bcm7038_wdt_match,