[U-Boot] [RFC PATCH 1/3] env: drop CONFIG_ENV_VARS_UBOOT_CONFIG support

[Wolfgang Denk]

Dear Masahiro,

In message <20140423210335.18EE.AA925319 at jp.panasonic.com> you wrote:
> 
> > Finally, I don't see what your replacement code would be to create the
> > set of environment settigns - and I think these are needed, as some
> > user defined scripts are processing these?
> 
> The user who needs such environment setting can
> add them by using CONFIG_EXTRA_ENV_SETTINGS.
> 
> For example,
> 
> #define CONFIG_EXTRA_ENV_SETTINGS \
>    "arch=arm\0" \
>    "cpu=armv7\0" \
>    "soc=tegra20\0"
> 
> I am not sure this is acceptable.

Neither am I.  What I can see is that this is less flexible - as is,
we can easily derive these names from the make target name.  Your
implementation would either be static, or require #ifdefs ?

Best regards,

Wolfgang Denk

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