iwlwifi: add missing mutex_destroy statements

iwlwifi / iwlmvm didn't destroy their mutexes. Fix that.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 6153c8e..d4b71a7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -782,6 +782,9 @@
 
 	iwl_mvm_tof_clean(mvm);
 
+	mutex_destroy(&mvm->mutex);
+	mutex_destroy(&mvm->d0i3_suspend_mutex);
+
 	ieee80211_free_hw(mvm->hw);
 }