Change in coreboot[master]: soc/intel/common/cse: Implement HECI notify

[Subrata Banik (Code Review)]

Attention is currently required from: Arthur Heymans, Felix Singer, Tim Wawrzynczak, Angel Pons, Patrick Rudolph, EricR Lai.
Subrata Banik has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/60405 )

Change subject: soc/intel/common/cse: Implement HECI notify
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Patch Set 10:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/60405/comment/4bd814f5_0a45ad0a 
PS8, Line 9: required heci operation
> `the required HECI operations`

Ack

File src/soc/intel/common/block/cse/cse_eop.c:

https://review.coreboot.org/c/coreboot/+/60405/comment/1ac0ad6f_22c3fa71 
PS7, Line 279: HeciEnabled
> > Yes I have been on vacation, good guess 😄 […]

Kindly review below changes that I have attempted address our discussion above.

https://review.coreboot.org/q/topic:retire_hecienabled