[PATCH 11/11] bootm: Support string substitution in bootargs

[Wolfgang Denk]

Dear Simon,

In message <CAPnjgZ3gkCO6_DdQh3XJrsf9SdVa0v3pGuwejGBoDHPEijyRkg at mail.gmail.com> you wrote:
>
> I did wonder about the empty env var thing. IMO it would be nice to
> support empty variables, so we can distinguish between an empty one
> and a missing one.

What exactly is the use case for this that justifies the additional
code needed to implement this feature?

Please keep in mind that this is a boot loader, and we are not
attending a contest for feature-completeness.

[Non-random signature this time.]

Best regards,

Wolfgang Denk

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