Add missing TPM constant and fix test code.

src/platform/vboot_reference/vboot_firmware/lib/include/tss_constants.h

Index: src/platform/vboot_reference/vboot_firmware/lib/include/tss_constants.h
diff --git a/src/platform/vboot_reference/vboot_firmware/lib/include/tss_constants.h b/src/platform/vboot_reference/vboot_firmware/lib/include/tss_constants.h
index 523f075e4203524ccdbfec9dd8c5f9e36037bfaf..e14e2e0c38998eec99a7ffca5f65077cbfff0ab7 100644
--- a/src/platform/vboot_reference/vboot_firmware/lib/include/tss_constants.h
+++ b/src/platform/vboot_reference/vboot_firmware/lib/include/tss_constants.h
@@ -28,6 +28,7 @@
 #define TPM_NV_INDEX_LOCK ((uint32_t)0xffffffff)
 #define TPM_NV_PER_WRITE_STCLEAR (((uint32_t)1)<<14)
 #define TPM_NV_PER_PPWRITE (((uint32_t)1)<<0)
+#define TPM_NV_PER_GLOBALLOCK (((uint32_t)1)<<15)
 
 typedef uint8_t TSS_BOOL;
 typedef uint16_t TPM_STRUCTURE_TAG;