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/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
index 00e4cb8..cd80a43 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c
@@ -195,6 +195,11 @@
 	return false;
 }
 
+static void ar9003_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+	/* TODO */
+}
+
 void ar9003_hw_attach_calib_ops(struct ath_hw *ah)
 {
 	struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah);
@@ -204,6 +209,7 @@
 	priv_ops->init_cal = ar9003_hw_init_cal;
 	priv_ops->setup_calibration = ar9003_hw_setup_calibration;
 	priv_ops->iscal_supported = ar9003_hw_iscal_supported;
+	priv_ops->loadnf = ar9003_hw_loadnf;
 
 	ops->calibrate = ar9003_hw_calibrate;
 }