mac80211: remove deprecated noise field from ieee80211_rx_status

Also remove associated IEEE80211_HW_NOISE_DBM from ieee80211_hw_flags.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54/main.c b/drivers/net/wireless/p54/main.c
index 36f4c82..10a4b16 100644
--- a/drivers/net/wireless/p54/main.c
+++ b/drivers/net/wireless/p54/main.c
@@ -545,8 +545,7 @@
 		     IEEE80211_HW_SUPPORTS_PS |
 		     IEEE80211_HW_PS_NULLFUNC_STACK |
 		     IEEE80211_HW_BEACON_FILTER |
-		     IEEE80211_HW_REPORTS_TX_ACK_STATUS |
-		     IEEE80211_HW_NOISE_DBM;
+		     IEEE80211_HW_REPORTS_TX_ACK_STATUS;
 
 	dev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
 				      BIT(NL80211_IFTYPE_ADHOC) |