security/tpm: improve tlcl_extend() signature

Until now tcg-2.0/tss.c was just assuming certain buffer size and
hash algorithm. Change it to accept digest type, which the call sites
know.

Also drop `uint8_t *out_digest` parameter which was always `NULL`
and was handled only by tcg-1.2 code.

Change-Id: I944302b502e3424c5041b17c713a867b0fc535c4
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68745
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>

src/security/tpm/tspi/crtm.c

@@ -171,7 +171,7 @@ int tspi_measure_cache_to_pcr(void)
 			       tce->name, tce->pcr);
 			int result = tlcl_extend(tce->pcr,
 						 tce->digest,
-						 NULL);
+						 TPM_MEASURE_ALGO);
 			if (result != TPM_SUCCESS) {
 				printk(BIOS_ERR, "TPM: Writing digest"
 				       " of %s into PCR failed with error"