- Add macro dramc_err. - Some log levels are changed. - Some messages are improved for readability. BRANCH=kukui BUG=none TEST=emerge-kukui coreboot Change-Id: If0c9e61c0f81a06e9264784f682a6c373574e06b Signed-off-by: Yu-Ping Wu <yupingso@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35767 Reviewed-by: Hung-Te Lin <hungte@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>