add missing file to follow up the previous commit

openfpga/src/fpga_sdc/sdc_hierarchy_writer.h

@@ -0,0 +1,30 @@
+#ifndef SDC_HIERARCHY_WRITER_H
+#define SDC_HIERARCHY_WRITER_H
+
+/********************************************************************
+ * Include header files that are required by function declaration
+ *******************************************************************/
+#include "vpr_context.h"
+#include "openfpga_context.h"
+
+/********************************************************************
+ * Function declaration
+ *******************************************************************/
+
+/* begin namespace openfpga */
+namespace openfpga {
+
+void print_pnr_sdc_routing_sb_hierarchy(const std::string& sdc_dir,
+                                        const ModuleManager& module_manager,
+                                        const ModuleId& top_module,
+                                        const DeviceRRGSB& device_rr_gsb);
+
+void print_pnr_sdc_routing_cb_hierarchy(const std::string& sdc_dir,
+                                        const ModuleManager& module_manager,
+                                        const ModuleId& top_module,
+                                        const t_rr_type& cb_type,
+                                        const DeviceRRGSB& device_rr_gsb);
+
+} /* end namespace openfpga */
+
+#endif