Update xvm-prodconfig to version 1.1.57

Requested by mitchb/root@ATHENA.MIT.EDU

diff --git a/xvm-prodconfig b/xvm-prodconfig
index 29cecd2..17f52b8 160000 (submodule)
--- a/xvm-prodconfig
+++ b/xvm-prodconfig
@@ -1 +1 @@
-Subproject commit 29cecd2cfd64df86934e60f879fe3bb5fb1d14c5
+Subproject commit 17f52b808b4f0a5fad26423e8d0902b972b95a39