ath9k_htc: remote reset rutine and check for firmware.

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
ath9k_htc: xx disable firmware on resume

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
ath9k_htc: xx winish firmware loader

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>