iwlwifi: mvm: BT Coex - set low latency vif as primary

If a vif is in low latency mode, it should be in primary
channel.
Also tell BT Coex about the change when a vif enters or
exits low latency mode.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/utils.c

@@ -550,5 +550,8 @@ int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 	res = iwl_mvm_update_quotas(mvm, NULL);
 	if (res)
 		return res;
+
+	iwl_mvm_bt_coex_vif_change(mvm);
+
 	return iwl_mvm_power_update_mode(mvm, vif);
 }