[M] Change in coreboot[master]: src/arch/ Fixed some linter warnings and errors

[build bot (Jenkins) (Code Review)]

Attention is currently required from: Philipp Hug, Julius Werner, ron minnich.

build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/74173 )

Change subject: src/arch/ Fixed some linter warnings and errors
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Patch Set 1:

(3 comments)

Commit Message:

Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-172926):
https://review.coreboot.org/c/coreboot/+/74173/comment/3961eb3a_d1f0528e 
PS1, Line 8: 
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Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-172926):
https://review.coreboot.org/c/coreboot/+/74173/comment/021773db_b1be4d0b 
PS1, Line 9: This is my first commit to coreboot, so please tell me if I'm missing something.
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Robot Comment from checkpatch (run ID jenkins-coreboot-checkpatch-172926):
https://review.coreboot.org/c/coreboot/+/74173/comment/26b19b5b_7e185003 
PS1, Line 10: I corrected some linter issues, deleting whitespaces, correcting identations etc.
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