Cherry-pick vboot_reference files from TOT to support crossystem

utility/tlcl_generator.c

Index: utility/tlcl_generator.c
diff --git a/utility/tlcl_generator.c b/utility/tlcl_generator.c
index efb0f341df758d7544febe224e4a471d3d413946..86b7e4edff2d8a93f8f5e3fad8346d4eee1d18a9 100644
--- a/utility/tlcl_generator.c
+++ b/utility/tlcl_generator.c
@@ -222,6 +222,13 @@ Command* BuildStartupCommand(void) {
   return cmd;
 }
 
+Command* BuildSaveStateCommand(void) {
+  int size = kTpmRequestHeaderLength;
+  Command* cmd = newCommand(TPM_ORD_SaveState, size);
+  cmd->name = "tpm_savestate_cmd";
+  return cmd;
+}
+
 Command* BuildResumeCommand(void) {
   int size = kTpmRequestHeaderLength + sizeof(TPM_STARTUP_TYPE);
   Command* cmd = newCommand(TPM_ORD_Startup, size);
@@ -452,6 +459,7 @@ Command* (*builders[])(void) = {
   BuildPPLockCommand,
   BuildFinalizePPCommand,
   BuildStartupCommand,
+  BuildSaveStateCommand,
   BuildResumeCommand,
   BuildSelftestfullCommand,
   BuildContinueSelfTestCommand,