Change in coreboot[master]: tpm: Accept Google Ti50 TPM DID:VID

[Jett Rink (Code Review)]

Attention is currently required from: Jes Klinke, Christian Walter, Julius Werner.
Jett Rink has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63158 )

Change subject: tpm: Accept Google Ti50 TPM DID:VID
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Patch Set 1:

(1 comment)

File src/drivers/spi/tpm/tpm.c:

https://review.coreboot.org/c/coreboot/+/63158/comment/38a1d9c1_3e4d1757 
PS1, Line 515: if (tpm_first_access_this_boot()) {
             : 			/* This is called for the side-effect of printing the firmware version
             : 			   string */
             : 			cr50_get_firmware_version(&ver);
             : 		}
> Cr50 and Ti50 share the same 3-item version number format, so I could rename `struct cr50_firmware_v […]

I think renaming to gsc when it applies to both is helpful. (we would still need to do a future audit and rename to make everything consistent with that decision though).

sorry that I am still confused. Do we want to do `tpm_first_access_this_boot` for cr50 (`0x00281ae0`) or ti50 (`0x504a6666`)?