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 <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/asus_oled/asus_oled.c

···
 	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);
···
 		(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);