[coreboot-gerrit] Change in coreboot[master]: Makefile: Use SPDX identifier

[Jacob Garber (Code Review)]

Hello build bot (Jenkins), Patrick Georgi, Martin Roth, Angel Pons, HAOUAS Elyes,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/41598

to look at the new patch set (#3).

Change subject: Makefile: Use SPDX identifier
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Makefile: Use SPDX identifier

Change-Id: Ia05f2ecd31d0606dfe2bca843dbe6df2b8212a27
Signed-off-by: Jacob Garber 
---
M LICENSES/retained-copyrights.txt
M Makefile
2 files changed, 4 insertions(+), 30 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/98/41598/3