ath6kl: add the device ID on the data command packet

The firmware expects the device ID to be added on the
data and command packets sent to firmware for AR6003 v2.1.1.

Signed-off-by: Naveen Singh <nsingh@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>