[PATCH v2 1/2] env: setenv add resolve value option

[Tom Rini]

On Fri, Nov 19, 2021 at 12:36:46PM +0800, Artem Lapkin wrote:
> Add possibility setup env variable with additional resolving vars inside

> value.
> 
> Usage examples:
> 
> => setenv a hello; setenv b world; setenv c '${a} ${b}'
> => setenv -r d '${c}! ${a}...'
> => printenv d
> d=hello world! hello...
> 
> /* internal usage example */
> env_resolve("d", "${c}! ${a}...");
> /* d="hello world! hello..." */
> 
> Signed-off-by: Artem Lapkin <art at khadas.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

This break building on a number of platforms such as am335x_evm.

-- 
Tom
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