Change in coreboot[master]: cpu/intel/fit: Add the FIT table as a separate CBFS file

[Angel Pons (Code Review)]

Attention is currently required from: Martin Roth, Patrick Rudolph, Arthur Heymans.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50926 )

Change subject: cpu/intel/fit: Add the FIT table as a separate CBFS file
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Patch Set 15: Code-Review+1

(4 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/50926/comment/adc52a37_aa62cca6 
PS15, Line 9: With CBnT a digest needs to be made of the IBB, in this case the
I'd state that `IBB` means `Initial BootBlock`.

https://review.coreboot.org/c/coreboot/+/50926/comment/444dc6c4_7d727c7f 
PS15, Line 19: .
and ACMs (Authenticated Code Modules)

File src/cpu/intel/fit/fit.S:

https://review.coreboot.org/c/coreboot/+/50926/comment/c69132ed_bcdcb78f 
PS15, Line 7: .long 0
I'd add a comment here to let future readers know that the pointer gets updated later via ifittool

File src/cpu/intel/fit/fit_table.c:

https://review.coreboot.org/c/coreboot/+/50926/comment/55bdbb22_92e5f710 
PS15, Line 17: 		.address = FIT_HEADER_ADDRESS,
Using `uint8_t address[sizeof(uint64_t)]`, this initializer could be slightly more readable:

.address = { '_', 'F', 'I', 'T', '_', ' ', ' ', ' ' },