Add Div_Round_Up() for positive integer types

Also rewrite Div_Round_Closest() as expression functions.

Change-Id: I9f4bb0f2f442510f821d367d8b11d14a4f697a7e
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/20557
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
3 files changed