Staging: asus_oled: Fixed use of obsolete function.

Removed use of obsolete function "strict_strtoul". Replaced with "kstrtoul"
as suggested by checkpatch.pl
Signed-off-by: Ken O'Brien <kernel@kenobrien.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/asus_oled/asus_oled.c

@@ -201,7 +201,7 @@ static ssize_t set_enabled(struct device *dev, struct device_attribute *attr,
 	struct usb_interface *intf = to_usb_interface(dev);
 	struct asus_oled_dev *odev = usb_get_intfdata(intf);
 	unsigned long value;
-	if (strict_strtoul(buf, 10, &value))
+	if (kstrtoul(buf, 10, &value))
 		return -EINVAL;
 
 	enable_oled(odev, value);
@@ -217,7 +217,7 @@ static ssize_t class_set_enabled(struct device *device,
 		(struct asus_oled_dev *) dev_get_drvdata(device);
 	unsigned long value;
 
-	if (strict_strtoul(buf, 10, &value))
+	if (kstrtoul(buf, 10, &value))
 		return -EINVAL;
 
 	enable_oled(odev, value);