Clang warns about comparisons of unsigned integers with being below
zero. Remove spurious logic checks that are always false.
Change-Id: I70c4d5331df81e48bf7ef27ff98400c4218f7edc
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/5275
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>