Change in coreboot[master]: soc/intel/common: Retry END_OF_POST command

[Sridhar Siricilla (Code Review)]

Attention is currently required from: Anil Kumar K, Subrata Banik, Paul Menzel, Tim Wawrzynczak, Patrick Rudolph.
Sridhar Siricilla has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62192 )

Change subject: soc/intel/common: Retry END_OF_POST command
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Patch Set 7:

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/62192/comment/65a5d8fe_21172603 
PS6, Line 11: max 3 times before triggering the error handling flow.
> Since EOP command is critical to maintain platform security, so retries are recommended by Intel CSE […]

Ack

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

https://review.coreboot.org/c/coreboot/+/62192/comment/a60d24cc_0bd90744 
PS6, Line 55: 	case CSE_TX_ERR_CSE_NOT_READY:
> Yes, I didn't notice any issues.

Ack