iwlwifi: mvm: minor fix in comment

The comment was not accurate, we are talking about the frames
*for* the station and not from the station.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c
index f5c0982..e9ff386 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tx.c
@@ -722,7 +722,7 @@
 	/* We can't free more than one frame at once on a shared queue */
 	WARN_ON(skb_freed > 1);
 
-	/* If we have still frames from this STA nothing to do here */
+	/* If we have still frames for this STA nothing to do here */
 	if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id]))
 		goto out;