[PATCH v8 3/8] doc: Move environment documentation to rST

[Marek Behún]

On Mon, 18 Oct 2021 12:13:17 -0600
Simon Glass <sjg at chromium.org> wrote:

> Move this from the README to rST format.
> 
> Drop i2cfast since it is obviously obsolete and breaks the formatting.
> Other changes and improvements are in a following patch.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Acked-by: Marek Behún <marek.behun at nic.cz>