Change in coreboot[master]: soc/intel/common/block: Add Intel common systemagent support

[Subrata Banik (Code Review)]

Hello Aaron Durbin, Barnali Sarkar, dhaval v sharma, Balaji Manigandan, Paul Menzel, build bot (Jenkins), Hannah Williams,

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

https://review.coreboot.org/18565

to look at the new patch set (#19).

Change subject: soc/intel/common/block: Add Intel common systemagent support
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soc/intel/common/block: Add Intel common systemagent support

Create common Intel systemagent code.
This code currently contains the SA initialization
required in Bootblock phase, which has the following programming-
* Set PCIEXBAR
* Clear TSEG register
More code will get added up in the subsequent phases.

Change-Id: I6f0c515278f7fd04d407463a1eeb25ba13639f5c
Signed-off-by: Barnali Sarkar 
Signed-off-by: Subrata Banik 
---
A src/soc/intel/common/block/include/intelblocks/systemagent.h
A src/soc/intel/common/block/systemagent/Kconfig
A src/soc/intel/common/block/systemagent/Makefile.inc
A src/soc/intel/common/block/systemagent/systemagent.c
4 files changed, 123 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/65/18565/19