iwlwifi: always use 'trans_pcie' name

A few places use 'pcie_trans' which is a bit non-standard,
use 'trans_pcie' there as well.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --cc drivers/net/wireless/iwlwifi/pcie/trans.c
Simple merge