t480: bump patchset to upstream merged state

repro:
git fetch origin
git checkout origin/master
git reset --hard
git checkout -b t480_t480s_merged_upstream
git fetch https://review.coreboot.org/coreboot refs/changes/74/83274/42 && git format-patch -1 --stdout FETCH_HEAD > patches/coreboot-24.12/0003-mb-lenovo-Add-ThinkPad-T480-and-ThinkPad-T480s.patch
echo "bogus" |sudo tee build/x86/coreboot-24.12/.canary > /dev/null
./docker_repro.sh make BOARD=EOL_t480-maximized
rm patches/coreboot-24.12/0004-do-not-break-building-other-thinkpads-with-the-hacks.patch
echo "bogus" |sudo tee build/x86/coreboot-24.12/.canary > /dev/null
Build successfully
./docker_repro.sh make BOARD=EOL_t480-maximized

Signed-off-by: Thierry Laurion <[email protected]>

Author: tlaurion