watchdog: renesas-wdt: Remove R-Car M2-W ES2.x from blacklist

System restart triggered by watchdog time-out works fine on a Koelsch
board with R-Car M2-W ES2.0.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/watchdog/renesas_wdt.c b/drivers/watchdog/renesas_wdt.c
index 514db5c..88d81fe 100644
--- a/drivers/watchdog/renesas_wdt.c
+++ b/drivers/watchdog/renesas_wdt.c
@@ -146,7 +146,7 @@ static const struct soc_device_attribute rwdt_quirks_match[] = {
 		.data = (void *)1,	/* needs single CPU */
 	}, {
 		.soc_id = "r8a7791",
-		.revision = "ES[12].*",
+		.revision = "ES1.*",
 		.data = (void *)1,	/* needs single CPU */
 	}, {
 		.soc_id = "r8a7792",