[coreboot-gerrit] [S] Change in coreboot[master]: cpu: Add SPDX license headers to Makefiles

[Jakub Czapiga (Code Review)]

Attention is currently required from: Martin L Roth.

Jakub Czapiga has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/68979 )

Change subject: cpu: Add SPDX license headers to Makefiles
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Patch Set 2:

(3 comments)

Patchset:

PS2: 
Generally

File src/cpu/amd/Makefile.inc:

https://review.coreboot.org/c/coreboot/+/68979/comment/bcdab8cb_ebfad143 
PS1, Line 1: ## SPDX-License-Identifier: GPL-2.0-only
nit: I think these files could use one empty line after SPDX comment to make them more eye-appealing

https://review.coreboot.org/c/coreboot/+/68979/comment/df5eebd1_33badd3a 
PS1, Line 1: ##
One hash sign should be enough. Also applies to all other Makefiles