[PATCH v4 1/5] command: Use a constant pointer for the help

[Jagan Teki]

On Mon, Sep 20, 2021 at 3:19 AM Simon Glass <sjg at chromium.org> wrote:
>
> This text should never change during execution, so it makes sense to
> use a const char * so that it can be declared as const in the code.
> Update struct cmd_tbl with a const char * pointer for 'help'.
>
> We cannot make usage const because of the bmode command, used on mx53ppd
> for example.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> (no changes since v2)
>
> Changes in v2:
> - Explain why 'usage' cannot be const

Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>