/lib/firmware/cxgb4/t5fw.bin is in linux-firmware 1.127.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/firmware/cxgb4/t5fw-1.9.23.0.bin
/lib/firmware/cxgb4/t5fw-1.9.23.0.bin