ath9k_hw: clean up iniModesAdditional

use iniModesFastClock for 5 ghz fast clock specific settings, and
iniAdditional for clock/chip specific initval overrides

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
5 files changed