add test generate for ZscaleTop

src/main/scala/ZscaleChip.scala

@@ -69,4 +69,6 @@ class ZscaleTop extends Module {
   sys.io.host <> io.host
   bootmem.io <> sys.io.bootmem
   dram.io <> sys.io.dram
+
+  TestGeneration.generateMakefrag
 }