wifi: iwlwifi: pcie: remove 'ent' argument from alloc

The alloc function iwl_trans_pcie_alloc() doesn't use the
'ent' argument, so remove it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250502155404.0351805072bc.Id309b38817edc116bf9a921608a93b7734f21b05@changeid