Fix a bug caused by misunderstanding do_div in the lcd.comp
If no format length was specified then the formatting would break for any value with a zero in its representation.

Signed-off-by: Andy Pugh <andy@bodgesoc.org>

Fix some bugs in the lcd component

Signed-off-by: Andy Pugh <andy@bodgesoc.org>
Un-break the sim builds (well, I can hope)


Signed-off-by: Andy Pugh <andy@bodgesoc.org>