[U-Boot] [PATCH v9 15/30] autoconfig.mk: Make it possible to define configs from other configs

[Wolfgang Denk]

Dear Marek Vasut,

In message <201303080429.00780.marex at denx.de> you wrote:
> 
> > > +	# ... and from configs defined from other configs
> > > +	s/="\(CONFIG_[A-Za-z0-9_][A-Za-z0-9_]*\)"/=$(\1)/;
> > 
> > Should we not remove the lower case letters here?  Such are not
> > supposed to be used in macro names.
>
> btw. CONFIG_[[:alnum:]_]\+ is shorter ;-)

...and has the same issue of including the unwanted lower case
letters.

Best regards,

Wolfgang Denk

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