[U-Boot] [PATCH v2] README: Add handy kermit primer

[Wolfgang Denk]

Dear "Karl O. Pinc",

In message <1344017124-5749-1-git-send-email-kop at meme.com> you wrote:
> Add doc/README.kermit.
> 
> Mention in README.
> 
> Signed-off-by: Karl O. Pinc <kop at meme.com>
...
> --- a/README
> +++ b/README
> @@ -4631,7 +4631,7 @@ Over time, many people have reported problems when trying to use the
>  consider minicom to be broken, and recommend not to use it. Under
>  Unix, I recommend to use C-Kermit for general purpose use (and
>  especially for kermit binary protocol download ("loadb" command), and
> -use "cu" for S-Record download ("loads" command).
> +use "cu" for S-Record download ("loads" command).  See doc/README.kermit.

Instead of adding a new file, place the URL to the wiki page here.

> --- /dev/null
> +++ b/doc/README.kermit
> @@ -0,0 +1,52 @@
> +Copied from the U-Boot wiki,
> +http://www.denx.de/wiki/view/DULG/SystemSetup#Section_4.3.
> +on 2012-08-03.

This makes no sense to me.  Copying the text just means we have to
maintain the same information in two places, which never works.

Instead of copying the data, just add a link to the README.

Best regards,

Wolfgang Denk

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DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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