Change in coreboot[master]: soc/intel/mtl: Do initial Meteor Lake SoC commit till romstage

[Ravishankar Sarawadi (Code Review)]

Attention is currently required from: Wonkyu Kim, Ravishankar Sarawadi, Raj Astekar.
Hello build bot (Jenkins), Wonkyu Kim, Raj Astekar,

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

https://review.coreboot.org/c/coreboot/+/63363

to look at the new patch set (#3).

Change subject: soc/intel/mtl: Do initial Meteor Lake SoC commit till romstage
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soc/intel/mtl: Do initial Meteor Lake SoC commit till romstage

List of changes:
1. Add required SoC programming till romstage
2. Include only required headers into include/soc
3. Fill required FSP-M UPD to call FSP-M API

TEST=Build using mtlrvp

Signed-off-by: Ravi Sarawadi 
Change-Id: I3d5c6ceb7f97429ff903e7577186e8d8843c1f14
---
M src/soc/intel/meteorlake/Kconfig
M src/soc/intel/meteorlake/Makefile.inc
A src/soc/intel/meteorlake/chip.h
A src/soc/intel/meteorlake/espi.c
A src/soc/intel/meteorlake/include/soc/gpe.h
M src/soc/intel/meteorlake/include/soc/iomap.h
A src/soc/intel/meteorlake/include/soc/msr.h
M src/soc/intel/meteorlake/include/soc/p2sb.h
M src/soc/intel/meteorlake/include/soc/pci_devs.h
M src/soc/intel/meteorlake/include/soc/pcr_ids.h
A src/soc/intel/meteorlake/include/soc/pmc.h
A src/soc/intel/meteorlake/include/soc/romstage.h
A src/soc/intel/meteorlake/include/soc/soc_chip.h
A src/soc/intel/meteorlake/include/soc/systemagent.h
A src/soc/intel/meteorlake/meminit.c
A src/soc/intel/meteorlake/p2sb.c
A src/soc/intel/meteorlake/reset.c
A src/soc/intel/meteorlake/romstage/Makefile.inc
A src/soc/intel/meteorlake/romstage/fsp_params.c
A src/soc/intel/meteorlake/romstage/romstage.c
A src/soc/intel/meteorlake/romstage/systemagent.c
21 files changed, 1,469 insertions(+), 56 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/63/63363/3