Attention is currently required from: Wonkyu Kim, Maulik V Vaghela, Tim Wawrzynczak, Angel Pons, Nick Vaccaro, Patrick Rudolph, EricR Lai, Karthik Ramasubramanian.

Subrata Banik uploaded patch set #6 to this change.

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soc/intel/tigerlake: Use PMC IPC to disable HECI1

This patch allows common CSE block to disable HECI1 device using PMC
IPC command `0xA9`.

Select SOC_INTEL_COMMON_BLOCK_HECI1_DISABLE_USING_PMC_IPC config for
Tiger Lake to disable HECI1 device using PMC IPC.

Additionally, remove dead code that deals with HECI1 disabling using
in SMM as HECI1 disabling using PMC IPC is simpler solution.

BUG=none
TEST=None

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: Id5f1e3f622f65cd0f892c0dc541625bfd50d038e
---
M src/soc/intel/tigerlake/Kconfig
M src/soc/intel/tigerlake/finalize.c
M src/soc/intel/tigerlake/smihandler.c
3 files changed, 3 insertions(+), 15 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/57/61457/6

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