iwlwifi: mvm: make the usage of TWT configurable

TWT is still very new and we expect issues. Make its usage
configurable and disable it by default.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/constants.h

@@ -152,5 +152,6 @@
 #define IWL_MVM_FTM_INITIATOR_ALGO		IWL_TOF_ALGO_TYPE_MAX_LIKE
 #define IWL_MVM_FTM_INITIATOR_DYNACK		true
 #define IWL_MVM_D3_DEBUG			false
+#define IWL_MVM_USE_TWT				false
 
 #endif /* __MVM_CONSTANTS_H */

drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c

@@ -679,7 +679,7 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm,
 
 	if (vif->bss_conf.he_support && !iwlwifi_mod_params.disable_11ax) {
 		cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_11AX);
-		if (vif->bss_conf.twt_requester)
+		if (vif->bss_conf.twt_requester && IWL_MVM_USE_TWT)
 			ctxt_sta->data_policy |= cpu_to_le32(TWT_SUPPORTED);
 	}