staging: rtl8192e: cmdpkt: Use packettype properly

rtl92e_send_cmd_pkt used hardcoded NORMAL packet type.

As it may be used to send other packet types as well - use
provided packet type instead of defaults.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>