ath9k_hw: abstract loading noisefloor

This is the last call on calib.c which acceses PHY stuff,
with this change we calib.c is now generic between both
all supported hardware families.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
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/hw-ops.h b/drivers/net/wireless/ath/ath9k/hw-ops.h
index b777fd1..b444ce5 100644
--- a/drivers/net/wireless/ath/ath9k/hw-ops.h
+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
@@ -182,6 +182,12 @@
 	ath9k_hw_private_ops(ah)->do_getnf(ah, nfarray);
 }
 
+static inline void ath9k_hw_loadnf(struct ath_hw *ah,
+				   struct ath9k_channel *chan)
+{
+	ath9k_hw_private_ops(ah)->loadnf(ah, chan);
+}
+
 static inline bool ath9k_hw_init_cal(struct ath_hw *ah,
 				     struct ath9k_channel *chan)
 {