soc/intel/common/uart: Only return valid UART base

We only configure the base address for the console UART, the other
addresses are never assigned to the hardware. It seems better to
return 0 for them instead of a spurious value.

Change-Id: I3fa5c99958b56ca5b0b603917c086bdddb677fa2
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33096
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lance Zhao <lance.zhao@gmail.com>

0 files changed, 0 insertions, 0 deletions