Without the PCH UART GPIOs set early, there is no serial console
output until ramstage. Add them to the early GPIOs for all puff
variants.
TEST=build/boot google/puff (wyvern) with serial console enabled,
verify console output starts in bootblock.
Change-Id: Ica0506b2b80e4fac0d3ca11b4cfdd128ce424b36
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78029
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>