Update xvm-prodconfig to version 1.1.61

Requested by mitchb/root@ATHENA.MIT.EDU

diff --git a/xvm-prodconfig b/xvm-prodconfig
index eaf6300..0cf4856 160000 (submodule)
--- a/xvm-prodconfig
+++ b/xvm-prodconfig
@@ -1 +1 @@
-Subproject commit eaf6300a7d9842ca23ae1639b198a9e2a5ce43bd
+Subproject commit 0cf48565f1600ca133bfb68e06a90cef2029ca11