[S] Change in coreboot[main]: soc/intel/common/systemagent: Add Kconfig item HAVE_TSEG_LIMIT_REGISTER

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Hello Shuo Liu, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/84200?usp=email

to look at the new patch set (#2).

Change subject: soc/intel/common/systemagent: Add Kconfig item HAVE_TSEG_LIMIT_REGISTER
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soc/intel/common/systemagent: Add Kconfig item HAVE_TSEG_LIMIT_REGISTER

System agent assumes GSM region is next to TSEG region, but some SoC
may not have GSM region, see patch
https://review.coreboot.org/c/coreboot/+/84108. On such platforms, TSEG
limit is defined by a dedicated TSEG limit register, and the default
offset for that limit register is (TSEG Base + 4).

Change-Id: I6cb4fbecc1dbafc770d3809a75d05917a141a9af
Signed-off-by: Yuchi Chen 
---
M src/soc/intel/common/block/systemagent/Kconfig
M src/soc/intel/common/block/systemagent/systemagent_early.c
2 files changed, 14 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/00/84200/2