[coreboot] Re: Guidelines for using die()

[Julius Werner]

> Use asserts - so fatal asserts will halt the system and if fatal-asserts are not set, the system will continue.
> coreboot needs better document on asserts and error handling.
> Julius will try to work on this.  Angel can help.
> Martin to add documentation to the header files so that information about assert() and die() for IDEs that support this feature.

After thinking about this for a bit I thought it would make most sense
to add it to the coding style (instead of a separate document), and
combine it all into one section about general error handling
guidelines. Here's a draft proposal, let me know what you think:
https://review.coreboot.org/70775