src: Make use of 'CEIL_DIV(a, b)' macro across tree

The objective here is to tighten coreboot up a bit by not repeating
common helpers. This makes the code base more consistent and

Change-Id: Ia163eae68b4a84a00ed118125e70308fab1cea0c
Signed-off-by: Edward O'Callaghan <>
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <>
Reviewed-by: Paul Menzel <>
12 files changed