Make it consistent with the more used cmos_write(). Change-Id: I9cf643c770e9819de08dbede48b73f3d4fe15bd7 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38178 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>