trace/console: factor out error handling

Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Change-Id: I313dc6d3433921af38a7deea810dc51a45572ea6
Reviewed-on: https://review.coreboot.org/c/em100/+/48598
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
1 file changed