power_supply: Replace strict_strtol() with kstrtol()

The usage of strict_strtol() is not preferred, because strict_strtol() is
obsolete. Thus, kstrtol() should be used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>

drivers/power/power_supply_sysfs.c

@@ -118,7 +118,7 @@ static ssize_t power_supply_store_property(struct device *dev,
 	long long_val;
 
 	/* TODO: support other types than int */
-	ret = strict_strtol(buf, 10, &long_val);
+	ret = kstrtol(buf, 10, &long_val);
 	if (ret < 0)
 		return ret;