Add a Kconfig to enable mainboards to select SERIRQ_CONTINUOUS_MODE,
which will be used by a to-be-added Cezanne-based Starlabs Starbook
variant in a subsequent commit.
Change-Id: Ia4da699e836e8e3ca408b4b5744320723e17ca62
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88972
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>