gpio: fix aspeed_gpio_banks array size check

The test should be >= ARRAY_SIZE() instead of > ARRAY_SIZE().
Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-aspeed.c

@@ -149,7 +149,7 @@ static const struct aspeed_gpio_bank *to_bank(unsigned int offset)
 {
 	unsigned int bank = GPIO_BANK(offset);
 
-	WARN_ON(bank > ARRAY_SIZE(aspeed_gpio_banks));
+	WARN_ON(bank >= ARRAY_SIZE(aspeed_gpio_banks));
 	return &aspeed_gpio_banks[bank];
 }