usb: gadget: accessory: add compatibility ioctl

Change-Id: I301c1f2f17c906d0a3912248fa16bc20b4a32b3c
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>

drivers/usb/gadget/f_accessory.c

@@ -765,6 +765,9 @@ static const struct file_operations acc_fops = {
 	.read = acc_read,
 	.write = acc_write,
 	.unlocked_ioctl = acc_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = acc_ioctl,
+#endif
 	.open = acc_open,
 	.release = acc_release,
 };