iwlwifi: remove unused max_nrg_cck from sensitivity and constify

The sensitivity parameters are never modified, so they
should be const. Also remove the unused max_nrg_cck
value to save some space.

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>

drivers/net/wireless/iwlwifi/iwl-1000.c

@@ -96,9 +96,8 @@ static void iwl1000_nic_config(struct iwl_priv *priv)
 				~APMG_SVR_VOLTAGE_CONFIG_BIT_MSK);
 }
 
-static struct iwl_sensitivity_ranges iwl1000_sensitivity = {
+static const struct iwl_sensitivity_ranges iwl1000_sensitivity = {
 	.min_nrg_cck = 95,
-	.max_nrg_cck = 0, /* not used, set to 0 */
 	.auto_corr_min_ofdm = 90,
 	.auto_corr_min_ofdm_mrc = 170,
 	.auto_corr_min_ofdm_x1 = 120,