USB: ldusb: fix control-message timeout

USB control-message timeouts are specified in milliseconds, not jiffies.
Waiting 83 minutes for a transfer to complete is a bit excessive.

Fixes: 2824bd25

 ("[PATCH] USB: add ldusb driver")
Cc: stable <stable@vger.kernel.org>     # 2.6.13
Reported-by:  <syzbot+a4fbb3bb76cda0ea4e58@syzkaller.appspotmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191022153127.22295-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>