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>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 99b64f2..bc992b2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -679,14 +679,10 @@
 	 * different modal values.
 	 */
 	if (IS_CHAN_A_FAST_CLOCK(ah, chan))
-		REG_WRITE_ARRAY(&ah->iniModesAdditional,
+		REG_WRITE_ARRAY(&ah->iniModesFastClock,
 				modesIndex, regWrites);
 
-	if (AR_SREV_9330(ah))
-		REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites);
-
-	if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
-		REG_WRITE_ARRAY(&ah->iniModesAdditional_40M, 1, regWrites);
+	REG_WRITE_ARRAY(&ah->iniAdditional, 1, regWrites);
 
 	if (AR_SREV_9462(ah))
 		ar9003_hw_prog_ini(ah, &ah->ini_BTCOEX_MAX_TXPWR, 1);
@@ -1323,13 +1319,9 @@
 	 * different modal values.
 	 */
 	if (IS_CHAN_A_FAST_CLOCK(ah, chan))
-		REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex, regWrites);
+		REG_WRITE_ARRAY(&ah->iniModesFastClock, modesIndex, regWrites);
 
-	if (AR_SREV_9330(ah))
-		REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites);
-
-	if (AR_SREV_9340(ah) && !ah->is_clk_25mhz)
-		REG_WRITE_ARRAY(&ah->iniModesAdditional_40M, 1, regWrites);
+	REG_WRITE_ARRAY(&ah->iniAdditional, 1, regWrites);
 
 	ah->modes_index = modesIndex;
 	*ini_reloaded = true;