boards/common/nucleo: Use STM32 programmer config

boards/common/nucleo/Makefile.include

@@ -5,19 +5,5 @@ INCLUDES  += -I$(RIOTBOARD)/common/nucleo/include
 # we use shared STM32 configuration snippets
 INCLUDES += -I$(RIOTBOARD)/common/stm32/include
 
-# configure the serial terminal
-PORT_LINUX ?= /dev/ttyACM0
-PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.usbmodem*)))
-
-# setup serial terminal
-include $(RIOTMAKE)/tools/serial.inc.mk
-
-# nucleo boards can become un-flashable after a hardfault,
-# use connect_assert_srst to always be able to flash or reset the boards.
-export OPENOCD_RESET_USE_CONNECT_ASSERT_SRST ?= 1
-
-# all Nucleo boards have an on-board ST-link adapter
-DEBUG_ADAPTER ?= stlink
-
-# nucleo boards use openocd
-include $(RIOTMAKE)/tools/openocd.inc.mk
+# Setup of programmer and serial is shared between STM32 based boards
+include $(RIOTMAKE)/boards/stm32.inc.mk