fix Makefile

Signed-off-by: 072020127 <haoyuanma@gmail.com>

Author: 072020127

Makefile

@@ -98,7 +98,7 @@ kmesh-bpf:
 
 	$(QUIET) $(GO) generate bpf/kmesh/bpf2go/bpf2go.go
 
-	$(QUIET) $(GO) run ./pkg/bpf/restart/gen_bpf_specs.go
+	$(QUIET) $(GO) run hack/gen_bpf_specs.go
 kmesh-ko:
 	$(QUIET) find $(ROOT_DIR)/mk -name "*.pc" | xargs sed -i "s#^prefix=.*#prefix=${ROOT_DIR}#g"
 	$(call printlog, BUILD, "kernel")