Change in coreboot[master]: cbfstool: Unset ${DEBUG} when making vboot hostlib

[Julius Werner (Code Review)]

Attention is currently required from: Nico Huber.
Julius Werner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55764 )

Change subject: cbfstool: Unset ${DEBUG} when making vboot hostlib
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Patch Set 2:

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/55764/comment/9cb49e50_c75502cd 
PS1, Line 13: fail due to calls to vb2api_fail() which is not built in.
> My bad. The error is not when building the lib but when trying to link with it.

Okay, sorry, figured it out. The DEBUG=1 disables optimization and causes it to emit code for a

if (<something that's compile-time guaranteed to be false in this case>)
   vb2api_fail();

that's generated by a macro. Should probably fix that, or just get rid of the DEBUG thing entirely.

Anyway, this patch looks good.