[temp] fpu: bump to support early_valid signal

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: 2c79477 } # branch: develop
+  fpnew: { git: "https://github.com/ricted98/cvfpu.git", rev: 5bc808b } # branch: rt/early-valid
   tech_cells_generic:
     { git: "https://github.com/pulp-platform/tech_cells_generic.git", version: 0.2.13 }