Change in ...coreboot[master]: superio: Add ASpeed AST2400

[Felix Singer (Code Review)]

Felix Singer has uploaded a new patch set (#17) to the change originally created by Frans Hendriks. ( https://review.coreboot.org/c/coreboot/+/23135 )

Change subject: superio: Add ASpeed AST2400
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superio: Add ASpeed AST2400

Add support for ASpeed AST2400.
This device uses write twice 0xA5 to enter config mode.

BUG = N/A
TEST = ASRock D1521D4U

Change-Id: I58fce31f0a2483e61e9d31f38ab5a059b8cf4f83
Signed-off-by: Frans Hendriks 
Signed-off-by: Felix Singer 
---
M src/include/superio/conf_mode.h
M src/superio/Makefile.inc
A src/superio/aspeed/Makefile.inc
A src/superio/aspeed/ast2400/Kconfig
A src/superio/aspeed/ast2400/Makefile.inc
A src/superio/aspeed/ast2400/ast2400.h
A src/superio/aspeed/ast2400/superio.c
A src/superio/aspeed/common/Kconfig
A src/superio/aspeed/common/aspeed.h
A src/superio/aspeed/common/early_serial.c
M src/superio/common/conf_mode.c
11 files changed, 312 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/35/23135/17