tpm: add event log format version

Although defined as part of the TCG EFI specification, we add these
definitions here so that any event log provider may reference them.

Signed-off-by: Thiebaud Weksteen <tweek@google.com>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Javier Martinez Canillas <javierm@redhat.com>
Tested-by: Jarkko Sakkinen  <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen  <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen  <jarkko.sakkinen@linux.intel.com>

include/linux/tpm_eventlog.h

@@ -10,6 +10,9 @@
 #define ACPI_TCPA_SIG		"TCPA"	/* 0x41504354 /'TCPA' */
 #define TPM2_ACTIVE_PCR_BANKS	3
 
+#define EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 0x1
+#define EFI_TCG2_EVENT_LOG_FORMAT_TCG_2   0x2
+
 #ifdef CONFIG_PPC64
 #define do_endian_conversion(x) be32_to_cpu(x)
 #else