security/tpm/tspi: Fix preram TPM log max entries

Pre-RAM TPM logs use a separate define for the max number of logs. This
one fits into the 2 KiB region assigned to TPM_LOG in the CAR linker
script.

Change-Id: Idda08a33c4a29fcb50085ca93487585dedf11012
Signed-off-by: Jeremy Soller <jeremy@system76.com>
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73296
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/security/tpm/tspi/log.c

@@ -98,7 +98,7 @@ void tpm_cb_preram_log_clear(void)
 {
 	printk(BIOS_INFO, "TPM LOG: clearing preram log\n");
 	struct tpm_cb_log_table *tclt = (struct tpm_cb_log_table *)_tpm_log;
-	tclt->max_entries = MAX_TPM_LOG_ENTRIES;
+	tclt->max_entries = MAX_PRERAM_TPM_LOG_ENTRIES;
 	tclt->num_entries = 0;
 }