add forgotten file

urukul_impl.py

@@ -0,0 +1,11 @@
+def main():
+    from urukul_cpld import Platform
+    from urukul import Urukul
+
+    p = Platform()
+    urukul = Urukul(p)
+    p.build(urukul, build_name="urukul", mode="cpld")
+
+
+if __name__ == "__main__":
+    main()