Change in coreboot[master]: soc/intel/common/block/notify: Implement coreboot notify native driver

[Subrata Banik (Code Review)]

Attention is currently required from: Arthur Heymans, Felix Singer, Tim Wawrzynczak, Sridhar Siricilla, Angel Pons, Werner Zeh, Patrick Rudolph, EricR Lai.
Hello Felix Singer, build bot (Jenkins), Tim Wawrzynczak, Angel Pons, Lean Sheng Tan, Werner Zeh, Patrick Rudolph, EricR Lai,

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

https://review.coreboot.org/c/coreboot/+/60405

to look at the new patch set (#18).

Change subject: soc/intel/common/block/notify: Implement coreboot notify native driver
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soc/intel/common/block/notify: Implement coreboot notify native driver

This patch implements the required HECI operations to perform prior
to booting to OS after platform decides to skip FSP notify APIs
i.e. Ready to Boot and End Of Firmware.

BUG=b:211954778
TEST=Able to build brya with these changes and coreboot log with this
code change as below when ADL SoC selects
SOC_INTEL_COMMON_BLOCK_NOTIFY:

BS: BS_PAYLOAD_LOAD run times (exec / console): 135 / 62 ms
coreboot skipped calling FSP notify phase: 00000040.
coreboot skipped calling FSP notify phase: 000000f0.
BS: BS_PAYLOAD_LOAD exit times (exec / console): 0 / 11 ms
Finalizing chipset.
apm_control: Finalizing SMM.
APMC done.
HECI: Sending End-of-Post
CSE: EOP requested action: continue boot
CSE EOP successful, continuing boot
HECI: CSE device 16.1 is disabled
HECI: CSE device 16.4 is disabled
HECI: CSE device 16.5 is disabled
BS: BS_PAYLOAD_BOOT entry times (exec / console): 9 / 27 ms

Signed-off-by: Subrata Banik 
Change-Id: I70bde33f77026e8be165ff082defe3cab6686ec7
---
A src/soc/intel/common/block/notify/Kconfig
A src/soc/intel/common/block/notify/Makefile.inc
A src/soc/intel/common/block/notify/notify.c
3 files changed, 56 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/05/60405/18