[U-Boot] [PATCH 14/17] console: Call overwrite_console before searching for console devices

[Wolfgang Denk]

Dear Simon Glass,

In message <1351902453-27956-15-git-send-email-sjg at chromium.org> you wrote:
> From: Anton Staaf <robotboy at chromium.org>
> 
> Move the overwrite_console function call to before the search for
> the console devices.  This lets the board specific function
> replace the environment variables and have that picked up by the
> console code.

Can you please explain what "replace the environment variables" means,
and how this is related to the console code?

Or what exactly this patch is needed for?

Best regards,

Wolfgang Denk

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