Unpin IREE release version

soft_fp breakage resolved with additional flags

Bug: 301616627
Change-Id: I5cc0e90b107c06496498760d83428b7777d13622
diff --git a/manifest.xml b/manifest.xml
index 4af0320..cf7d3d6 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -54,8 +54,7 @@
   <!-- END cantrip components -->
 
   <!-- BEGIN ML toolchain-->
-  <!--TODO(b/301616633): unpin the release -->
-  <project revision="735a77e4116cb91e2ad1d3a709ec5cf456b35c30" name="3p/openxla/iree" path="toolchain/iree" />
+  <project revision="latest-snapshot" name="3p/openxla/iree" path="toolchain/iree" />
   <project name="sw/vec_iree"                     path="sw/vec_iree" />
   <project name="ml-models-public"                path="ml/ml-models-public" />
   <!-- END ML toolchain -->