ath9k: use the devres API for allocations/mappings

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

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

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

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

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

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

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