The Medium Time Base (MTB) value is calculated by dividing one SPD
byte by another. Return an error if the divisor is zero before using
the value for division.
Found-by: Coverity Scan #1469303
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: Ic0a70291c42b5c2d21d65de92487b2dd88609983
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78613
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
a41abea65d