[coreboot-gerrit] Change in coreboot[master]: util/mtkheader: Port gen-bl-img.py to python3

[Idwer Vollering (Code Review)]

Idwer Vollering has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/42320 )

Change subject: util/mtkheader: Port gen-bl-img.py to python3
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Patch Set 3:

(1 comment)

https://review.coreboot.org/c/coreboot/+/42320/3/util/mtkheader/gen-bl-img.p... 
File util/mtkheader/gen-bl-img.py:

https://review.coreboot.org/c/coreboot/+/42320/3/util/mtkheader/gen-bl-img.p... 
PS3, Line 80: output_file
While you're updating this code to python3, may I suggest using string literals instead?
print(f"Usage: {argv[0]} ...")

https://docs.python.org/3/reference/lexical_analysis.html#formatted-string-l...