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, Michael Niewöhner, 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 9:

(3 comments)

Patchset:

PS9:
> Tested on out-of-tree Clevo L140MU (TGL): […]

@Michael,
Thanks for checking. Do you have system which shows reported EOP issue? or did you simulate the issue to try the EOP retry CL?

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

https://review.coreboot.org/c/coreboot/+/62192/comment/f8c246bb_f6ec665b 
PS9, Line 102: 		printk(BIOS_ERR, "HECI: EOP send/receive fail\n");
> note: we are dropping this serial msg now?

handle_cse_eop_result() logs the error message, hence it was removed.

https://review.coreboot.org/c/coreboot/+/62192/comment/2aecc6cd_295b30f2 
PS9, Line 144: size_t retry
> nit: move inside for loop itself?

Outside of for loop still should be fine!