Update to v5.18-2 version. Signed-off-by: Elyes Haouas <ehaouas@noos.fr> Change-Id: I0fe2ec6a74a4b8c70452fbf05d534a37e1ea2c26 Reviewed-on: https://review.coreboot.org/c/coreboot/+/63582 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin L Roth <martinroth@google.com>