[PATCH v2] cmd: add a panic command

[Tom Rini]

On Tue, Jun 30, 2020 at 01:05:45AM +0200, Heiko Stuebner wrote:

> From: Heiko Stuebner <heiko.stuebner at theobroma-systems.com>
> 
> Even in boot scripts it may be needed to "panic" when all options
> are exhausted and the device specification specifies hanging
> instead of resetting the board.
> 
> So add a new panic command that just wraps around the core panic
> call in U-Boot and can take an optional message.
> 
> Signed-off-by: Heiko Stuebner <heiko.stuebner at theobroma-systems.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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