Update xvm-prodconfig to version 1.1.48~migration4

Requested by dvorak42/root@ATHENA.MIT.EDU

diff --git a/xvm-prodconfig b/xvm-prodconfig
index e9fd7ee..5ea395e 160000 (submodule)
--- a/xvm-prodconfig
+++ b/xvm-prodconfig
@@ -1 +1 @@
-Subproject commit e9fd7ee1e6c8b36a846b2a12aac4e8f172c1d298
+Subproject commit 5ea395ea1314b8a7b58e207aea0277c3545de0e7