[coreboot-gerrit] Change in coreboot[master]: util/mb/google/hatch: fix style issues in shell script

[Paul Menzel (Code Review)]

Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/35605 )

Change subject: util/mb/google/hatch: fix style issues in shell script
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Patch Set 3:

(1 comment)

https://review.coreboot.org/c/coreboot/+/35605/3//COMMIT_MSG 
Commit Message:

https://review.coreboot.org/c/coreboot/+/35605/3//COMMIT_MSG@9 
PS3, Line 9: Use all caps for variables.
           : Use a single exit code for failures.
           : No need to popd before exiting the script.
           : Do ${var,,} and ${var^^} into variables instead of using it everywhere.
           : Add more punctuation in comments.
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