finally get kria kv260 FPGA target building correctly

fpga/makefile.targets

@@ -19,13 +19,11 @@ else ifeq ($(FPGA),zcu104)
 	BOARD_NAME   := pynq_zcu104
 	PLATFORM     := pynq
 else ifeq ($(FPGA),kr260)
-#	XILINX_PART  := xck26-sfvc784-2LV-c
-	XILINX_PART  := xczu5cg-sfvc784-2LV-e
+	XILINX_PART  := xck26-sfvc784-2LV-c
 	BOARD_NAME   := pynq_kr260
 	PLATFORM     := pynq
 else ifeq ($(FPGA),kv260)
-#	XILINX_PART  := xck26-sfvc784-2LV-c
-	XILINX_PART  := xczu5cg-sfvc784-2LV-e
+	XILINX_PART  := xck26-sfvc784-2LV-c
 	BOARD_NAME   := pynq_kv260
 	PLATFORM     := pynq
 else ifeq ($(FPGA),z2)