PX4 bootload over usb with auto targetting works

conf/Makefile.stm32-upload

@@ -158,9 +158,8 @@ else ifeq ($(FLASH_MODE),PX4_BOOTLOADER)
 	# Program the device and start it.
 upload: $(OBJDIR)/$(TARGET).bin
 	$(PAPARAZZI_SRC)/sw/tools/px4/px_mkfw.py --prototype $(PX4_PROTOTYPE) --image $(OBJDIR)/$(TARGET).bin > $(OBJDIR)/$(TARGET).px4
-	$(PAPARAZZI_SRC)/sw/tools/px4/set_target.py $(PX4_TARGET)
+	$(PAPARAZZI_SRC)/sw/tools/px4/set_target.py $(PX4_TARGET) $(OBJDIR)/$(TARGET).px4
 	$(PAPARAZZI_SRC)/sw/tools/px4/px_uploader.py --port $(PX4_BL_PORT) $(OBJDIR)/$(TARGET).px4
-
 #
 # no known flash mode
 else

conf/boards/px4fmu_2.4.makefile

@@ -34,7 +34,7 @@ RADIO_CONTROL_LED  ?= none
 BARO_LED           ?= none
 AHRS_ALIGNER_LED   ?= none
 GPS_LED            ?= none
-SYS_TIME_LED       ?= none
+SYS_TIME_LED       ?= 1
 
 #
 # default UART configuration (modem, gps, spektrum)

conf/boards/px4io_2.4.makefile

@@ -21,7 +21,6 @@ PX4_PROTOTYPE ?= "${PAPARAZZI_HOME}/sw/tools/px4/px4io-v2.prototype"
 PX4_TARGET = "fbw"
 FLASH_MODE ?= PX4_BOOTLOADER
 
-
 #
 # default LED configuration
 #