Fixes 2 reports found by undefined behavior sanitizer. Dereferencing
pointers that are not aligned to the size of access is undefiend
behavior.
Change-Id: Iaa3845308171c307f1ddc7937286aacbd00e3a10
Signed-off-by: Ryan Salsamendi <rsalsamendi@hotmail.com>
Reviewed-on: https://review.coreboot.org/20155
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>