[mpact] bump torch-mlir to @b92e61832f85f35ec (#72)

diff --git a/externals/torch-mlir b/externals/torch-mlir
index f72770a..b92e618 160000
--- a/externals/torch-mlir
+++ b/externals/torch-mlir
@@ -1 +1 @@
-Subproject commit f72770a725ef07927b9b665843c936dba6ab1121
+Subproject commit b92e61832f85f35ec36bb0c168bd5e022c1169dc