[PATCH] binman: Fix typo in mkimage etype description

[Quentin Schulz]

Hi Marek,

On 4/26/24 12:54 AM, Marek Vasut wrote:
> Fix a typo, no functional change.
> 
> Signed-off-by: Marek Vasut <marex at denx.de>

Reviewed-by: Quentin Schulz <quentin.schulz at theobroma-systems.com>

Thanks,
Quentin