Not every I2C target requires a register address. Not sending one for every console char saves us a lot of overhead. Change-Id: I1c714768fdd4aea4885e40a85d21fa42414ce32c Signed-off-by: Nico Huber <nico.h@gmx.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/82762 Reviewed-by: Elyes Haouas <ehaouas@noos.fr> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>