[S] Change in coreboot[main]: soc/intel/ptl: Add early shutdown notification hook

[Subrata Banik (Code Review)]

Attention is currently required from: Christian Walter, Intel coreboot Reviewers, Jayvik Desai, Julius Werner, Kapil Porwal, Karthik Ramasubramanian, Pranava Y N, Subrata Banik.

Hello Christian Walter, Intel coreboot Reviewers, Jayvik Desai, Julius Werner, Kapil Porwal, Karthik Ramasubramanian, Pranava Y N, build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/86476?usp=email

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

The following approvals got outdated and were removed:
Code-Review+2 by Christian Walter, Verified+1 by build bot (Jenkins)

The change is no longer submittable: Code-Review and Verified are unsatisfied now.

Change subject: soc/intel/ptl: Add early shutdown notification hook
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soc/intel/ptl: Add early shutdown notification hook

This commit display UX message for low-battery shutdown using
platform_display_early_shutdown_notification().

This commit also enables the HAVE_ESOL_SUPPORT_FOR_LOW_BATTERY_INDICATOR
Kconfig option, which is required for displaying the VGA text message
during early shutdown.

This patch also refactor `fill_fspm_sign_of_life` to use UX API
`ux_inform_user_of_update_operation` for memory training notification.

BUG=b:339673254
TEST=Verified low battery boot event logging and controlled shutdown.

Change-Id: I45c0fb07b984fcde6209631612cb8b4a08ac2041
Signed-off-by: Subrata Banik 
---
M src/soc/intel/pantherlake/Kconfig
M src/soc/intel/pantherlake/romstage/fsp_params.c
2 files changed, 12 insertions(+), 20 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/76/86476/2