[M] Change in coreboot[main]: security/tpm: replace CONFIG(TPMx) checks with runtime check

[Julius Werner (Code Review)]

Julius Werner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/69161?usp=email )

Change subject: security/tpm: replace CONFIG(TPMx) checks with runtime check
......................................................................

Patch Set 36:

(1 comment)

File src/drivers/tpm/ppi.c:

https://review.coreboot.org/c/coreboot/+/69161/comment/4d10c372_3d7581de :
PS36, Line 574: BIOS_WARN
> Thanks for fixing this. […]

No, a missing identifier should still be found long before it gets to any optimization passes. I think this whole file isn't checked by Jenkins. You should add or change a config in `configs/`  to set `CONFIG_TPM_PPI` to close that testing gap.