iwlwifi: mvm: Fix warning message when exit thermal throttling

When NIC exit thermal throttling while having minimal tx-backoff
restriction, the warning message that indicate about that state
won't show up. Fixed.
Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

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

@@ -484,7 +484,8 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm)
 		IWL_WARN(mvm,
 			 "Due to high temperature thermal throttling initiated\n");
 		tt->throttle = true;
-	} else if (tt->throttle && !tt->dynamic_smps && tt->tx_backoff == 0 &&
+	} else if (tt->throttle && !tt->dynamic_smps &&
+		   tt->tx_backoff == tt->min_backoff &&
 		   temperature <= params->tx_protection_exit) {
 		IWL_WARN(mvm,
 			 "Temperature is back to normal thermal throttling stopped\n");