Update to v5.18-2 version. Signed-off-by: Elyes Haouas <ehaouas@noos.fr> Change-Id: I6651a3f8e79beca2e1235fe8de3217875f81ba2b Reviewed-on: https://review.coreboot.org/c/coreboot/+/63438 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin L Roth <martinroth@google.com>