Change in coreboot[master]: soc/intel/common: Implement error codes for for heci_send_receive()

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Paul Menzel, Sridhar Siricilla, Subrata Banik, Kane Chen, Andrey Petrov, Patrick Rudolph.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/62299 )

Change subject: soc/intel/common: Implement error codes for for heci_send_receive()
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Patch Set 7: Code-Review+2

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/62299/comment/50973107_33db41d8 
PS4, Line 27: TEST=Build and boot Brya board
> Yes, it was done as part of unit testing.

Can you add that to the commit msg?