[coreboot-gerrit] Change in coreboot[master]: soc/amd/picasso: Clean up legacy UART config

[Felix Held (Code Review)]

Hello build bot (Jenkins), Martin Roth, Angel Pons, Rob Barnes,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/40322

to look at the new patch set (#7).

Change subject: soc/amd/picasso: Clean up legacy UART config
......................................................................

soc/amd/picasso: Clean up legacy UART config

Clean up configuration of the legacy UART and add Kconfig options for
the mapping between UART and legacy I/O decode.

BUG=b:143283592
BUG=b:153675918
TEST=Linux detects an additional legacy serial port for each active MMIO
one if PICASSO_UART_LEGACY is selected.
BRANCH=zork

Signed-off-by: Rob Barnes 
Signed-off-by: Felix Held 
Change-Id: Id08ff6428d4019303ebb6e44e13aba480cf1fde2
Reviewed-on: https://chromium-review.googlesource.com/2037891
---
M src/soc/amd/picasso/Kconfig
M src/soc/amd/picasso/include/soc/southbridge.h
M src/soc/amd/picasso/uart.c
3 files changed, 60 insertions(+), 25 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/22/40322/7