Added recipies to top-level makefile to pass to fpga makefile

makefile

@@ -529,6 +529,18 @@ clean_code:
 verify:
 	@python3 $(SOCLABS_SOCTOOLS_FLOW_DIR)/tools/adp_verify.py
 
+# ------- FPGA ------------
+
+# Call Make recipies in fpga directory
+build_fpga:
+	$(MAKE) -C $(SOCLABS_NANOSOC_TECH_DIR)/fpga build_fpga $@
+
+clean_fpga:
+	$(MAKE) -C $(SOCLABS_NANOSOC_TECH_DIR)/fpga clean_fpga $@
+	
+clean_fpga_all:
+	$(MAKE) -C $(SOCLABS_NANOSOC_TECH_DIR)/fpga clean_fpga_all $@
+
 # ------- clean -----------
 
 # Remove RTL compile files, log files, software compile files