[PATCH v2 1/2] common: cli_hush: Restore clear local variable support

[Tom Rini]

On Mon, Apr 03, 2023 at 03:50:00PM +0200, Stefan Herbrechtsmeier wrote:

> From: Stefan Herbrechtsmeier <stefan.herbrechtsmeier at weidmueller.com>
> 
> The u-boot hush shell doesn’t support the unset command to clear a
> variable and therefore an empty value ("c=") should be a valid value
> for the set_local_var function to clear the variable. This partial
> reverts commit aa722529635c ("common: cli_hush: avoid dead code") and
> only checks for a `=` in the string. Additionally explicit call the
> unset_local_var function to remove the variable if the value is empty.
> 
> Signed-off-by: Stefan Herbrechtsmeier <stefan.herbrechtsmeier at weidmueller.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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