soc/intel/tigerlake: Update SerialIoUart settings for Tiger Lake
update SerialIoUartAutoFlow settings for Tiger Lake platform.
BUG=none
BRANCH=none
TEST=Build and boot tigerlake rvp board
Signed-off-by: Srinidhi N Kaushik <srinidhi.n.kaushik@intel.com>
Change-Id: I5ff2c63857a868ca4ed72c6d93bf518e085b8879
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39169
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Reviewed-by: caveh jalali <caveh@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>