power: supply: ab8500: add missing destroy_workqueue in ab8500_charger_bind

ab8500_charger_bind misses destroy_workqueue in error path,
this patch fixes that.
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

drivers/power/supply/ab8500_charger.c

@@ -3351,6 +3351,7 @@ static int ab8500_charger_bind(struct device *dev)
 	ret = component_bind_all(dev, di);
 	if (ret) {
 		dev_err(dev, "can't bind component devices\n");
+		destroy_workqueue(di->charger_wq);
 		return ret;
 	}