iwlagn: remove Kelvin support

Only 5150 series devices report their temperature
in Kelvin, and for those we already convert it to
Celsius when storing into priv->temperature, so
there's no way priv->temperature will ever be in
Kelvin. Remove support for this.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 4ddaf2c..257aa9a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -877,7 +877,7 @@
 	u8 channel_count;	/* # of channels */
 
 	/* thermal calibration */
-	s32 temperature;	/* degrees Kelvin */
+	s32 temperature;	/* Celsius */
 	s32 last_temperature;
 
 	/* init calibration results */