antirollback: Sync TPM space indices with vboot library

BUG=chrome-os-partner:59355
BRANCH=None
TEST=Compiles successfully for reef.

Change-Id: I27f2e10556214598d479e4a84e8949465e7da7d6
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/17272
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/include/antirollback.h

@@ -19,6 +19,8 @@ enum vb2_pcr_digest;
 #define KERNEL_NV_INDEX                 0x1008
 /* 0x1009 used to be used as a backup space. Think of conflicts if you
  * want to use 0x1009 for something else. */
+#define BACKUP_NV_INDEX                 0x1009
+#define FWMP_NV_INDEX                   0x100a
 
 /* Structure definitions for TPM spaces */