Update node entry for older F030R8 boards

Older F030R8 boards have "NUCLEO" as label and not NODE_F030R8.
MassStorageCopy tools has been updated to manage several node name.
Node names list has to be separated by ',' and double quoted (for Windows).
ex:
"Node1,Node2,Node3"

Fix #36

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

boards.txt

@@ -77,7 +77,7 @@ Nucleo_64.menu.Nucleo_64_board.NUCLEO_F091RC.build.extra_flags=-DSTM32F091xC {bu
 # NUCLEO_F030R8 board
 
 Nucleo_64.menu.Nucleo_64_board.NUCLEO_F030R8=Nucleo F030R8
-Nucleo_64.menu.Nucleo_64_board.NUCLEO_F030R8.node=NODE_F030R8
+Nucleo_64.menu.Nucleo_64_board.NUCLEO_F030R8.node="NODE_F030R8,NUCLEO"
 Nucleo_64.menu.Nucleo_64_board.NUCLEO_F030R8.upload.maximum_size=65536
 Nucleo_64.menu.Nucleo_64_board.NUCLEO_F030R8.upload.maximum_data_size=8192
 Nucleo_64.menu.Nucleo_64_board.NUCLEO_F030R8.build.mcu=cortex-m0