iwlwifi: pcie: fix typo in struct name for a000 devices

commit 3cd1980b0cdf ("iwlwifi: pcie: introduce new tfd and tb formats")
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 188b0de..74199b1 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -2953,7 +2953,7 @@
 
 	if (cfg->use_tfh) {
 		trans_pcie->max_tbs = IWL_TFH_NUM_TBS;
-		trans_pcie->tfd_size = sizeof(struct iwl_tfh_tb);
+		trans_pcie->tfd_size = sizeof(struct iwl_tfh_tfd);
 
 	} else {
 		trans_pcie->max_tbs = IWL_NUM_OF_TBS;