iwlwifi: move ht40 bitmap into config

There's no need to dynamically fill the HT40
band bitmap as it's a device parameter, just
put it into the HT configuration.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/pcie/5000.c b/drivers/net/wireless/iwlwifi/pcie/5000.c
index 92e502e..75d90a9 100644
--- a/drivers/net/wireless/iwlwifi/pcie/5000.c
+++ b/drivers/net/wireless/iwlwifi/pcie/5000.c
@@ -69,6 +69,7 @@
 
 static const struct iwl_ht_params iwl5000_ht_params = {
 	.ht_greenfield_support = true,
+	.ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ),
 };
 
 #define IWL_DEVICE_5000						\