ath9k_htc: Add firmware for AR7010

Add firmware for AR7010 chipsets supported
by the ath9k_htc driver.

More information at: http://wireless.kernel.org/en/users/Drivers/ath9k_htc



Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>