Update xvm-prodconfig to version 1.1.62

Requested by mitchb/root@ATHENA.MIT.EDU

diff --git a/xvm-prodconfig b/xvm-prodconfig
index 0cf4856..d082fa5 160000 (submodule)
--- a/xvm-prodconfig
+++ b/xvm-prodconfig
@@ -1 +1 @@
-Subproject commit 0cf48565f1600ca133bfb68e06a90cef2029ca11
+Subproject commit d082fa5de64cd0c5032959334486a3db51c7a2ae