Cherry-pick vboot_reference files from TOT to support crossystem

firmware/linktest/main.c

Index: firmware/linktest/main.c
diff --git a/firmware/linktest/main.c b/firmware/linktest/main.c
index 6f5b83e4394ca89c6b273a7e3627bc8a9136b6c3..a3ed21a5e1491ed3082ca34b048ad5ccc3fb60ef 100644
--- a/firmware/linktest/main.c
+++ b/firmware/linktest/main.c
@@ -8,6 +8,7 @@
 #include "load_kernel_fw.h"
 #include "rollback_index.h"
 #include "tlcl.h"
+#include "tpm_bootmode.h"
 #include "vboot_common.h"
 #include "vboot_kernel.h"
 #include "vboot_nvstorage.h"
@@ -30,6 +31,7 @@ int main(void)
   /* rollback_index.h */
   RollbackS3Resume();
   RollbackFirmwareSetup(0, 0);
+  RollbackFirmwareRead(0);
   RollbackFirmwareWrite(0);
   RollbackFirmwareLock();
   RollbackKernelRecovery(0);
@@ -37,6 +39,9 @@ int main(void)
   RollbackKernelWrite(0);
   RollbackKernelLock();
 
+  /* tpm_bootmode.c */
+  SetTPMBootModeState(0, 0, 0);
+
   /* tlcl.h */
   TlclLibInit();
   TlclCloseDevice();