ath9k: move spectral_mode to ath_spec_scan_priv

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

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

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

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

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