This patch ensures AP UART messages are coming over LPSS UART 0 hence,
select required kconfig and program both early and late UART
RX/TX GPIOs accroding to the rex schematics dated 06/27.
BUG=b:224325352
TEST=Able to see AP UART log over LPSS UART0.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I7daa8200d1a7cf825dfdfed538573efd57ab2d97
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65454
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>