If CONSOLE_SERIAL is not set, do not reconfigure the UART LDN.
Otherwise, SerialICE stops working when the UART LDN is disabled.
Change-Id: Ie3113e6b7b830dfdddc4d7709f00719f29e094bf
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43582
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Nico Huber <nico.h@gmx.de>