[PATCH V2] tiny-printf: Improve %X formatting

[Marek Vasut]

On 3/20/25 8:01 PM, Christoph Niedermaier wrote:
> If tiny printf is used with 0x%08X (upper case X) the output is
> always 0x00000000. It could be confusing if upper case instead
> of lower case is used intentionally or accidentally because the
> actual value is not output. To avoid this confusion, treat output
> of %X as %x. As a compromise for tiny printf, the hex value is
> then output correctly, but in lower case. This is done to keep it
> tiny printf small.
> 
> Signed-off-by: Christoph Niedermaier <cniedermaier at dh-electronics.com>
Reviewed-by: Marek Vasut <marex at denx.de>