$ git clone -n https://src.fedoraproject.org/rpms/bcm283x-firmware.git /var/lib/mock/f33-build-421096-62977/root/chroot_tmpdir/scmroot/bcm283x-firmware
Cloning into '/var/lib/mock/f33-build-421096-62977/root/chroot_tmpdir/scmroot/bcm283x-firmware'...
$ git reset --hard 411fce170e46b088abc248098d73f7c6f546e69e
HEAD is now at 411fce1 Enable UART for all devices to work around firmware boot issues