GPLv2 firmware for carl9170, Atheros AR9170 802.11 draft-n USB driver.

Cc: Christian Lamparter <chunkeey@googlemail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>