chore(cvfpu): bump version (#3381)

This PR bumps the FPU to the latest version available, including a bug fix to allow synthesis in 32-bit core flavor with FPU enabled. The current version prevents elaboration during synthesis due to a port width mismatch. See: openhwgroup/cvfpu#172.

Author: ricted98

Bender.yml

@@ -10,7 +10,7 @@ dependencies:
   axi: { git: "https://github.com/pulp-platform/axi.git", version: 0.31.0 }
   common_cells:
     { git: "https://github.com/pulp-platform/common_cells", version: 1.23.0 }
-  fpnew: { git: "https://github.com/openhwgroup/cvfpu.git", rev: 106251e } # branch: develop
+  fpnew: { git: "https://github.com/openhwgroup/cvfpu.git", rev: 3eb6afe } # branch: develop
   tech_cells_generic:
     { git: "https://github.com/pulp-platform/tech_cells_generic.git", version: 0.2.13 }