ath9k_hw: use the devres API for allocations

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/ar5008_phy.c
Simple merge

diff --cc drivers/net/wireless/ath/ath9k/ar9002_hw.c
Simple merge

diff --cc drivers/net/wireless/ath/ath9k/ar9002_phy.c
Simple merge

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

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

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

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