[flashrom] [PATCH] Clean up and fix libz detection

[Stefan Reinauer]

Carl-Daniel Hailfinger wrote:
> There is no need to tell people to install libz if flashrom doesn't need
> libz. So far, the only case where libz is needed is when a library
> (libpci) pulls in libz and even then it only happens if libpci is
> available in a static version only and said static version has libz
> requirements.
>
> Check for libpci separately and don't require libz if it isn't needed.
>
> Clarify the README.
>
> Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>
>   

Acked-by: Stefan Reinauer <stepan at coresystems.de>