Snap for 6055731 from 982ca850c6589619f529740babec9c83e99e7eca to qt-qpr2-release

Change-Id: If70fd00ce657d7444bf1b7c702b4ad365f75f7eb
diff --git a/nugget/proto/nugget/app/keymaster/keymaster_defs.proto b/nugget/proto/nugget/app/keymaster/keymaster_defs.proto
index 644a9b3..1eff0bf 100644
--- a/nugget/proto/nugget/app/keymaster/keymaster_defs.proto
+++ b/nugget/proto/nugget/app/keymaster/keymaster_defs.proto
@@ -295,7 +295,8 @@
 enum ChipFusing {
     FUSING_PROTO = 0;
     FUSING_DVT = 1;
-    FUSING_PVT = 2;
+    FUSING_PVT = 2;     // Strongbox gen v0 certs.
+    FUSING_PVT_1 = 3;   // Strongbox gen v1 certs.
 }
 
 enum CertificateStatus {