ath9k_htc: Add new devices into AR7010

Treat new PIDs (0xA704, 0x1200) as AR7010 devices.

Cc: stable@kernel.org
Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc drivers/net/wireless/ath/ath9k/hif_usb.c
Simple merge

diff --cc drivers/net/wireless/ath/ath9k/htc_drv_init.c
Simple merge

diff --cc drivers/net/wireless/ath/ath9k/reg.h
Simple merge