lpc43xx: output a newline in the header file

Some compiler is brain-damaged that it will yeild a warning for headers
not ended with a newline. Yes, I mean you, Keil.

bsp/lpc43xx/bin2C.py

@@ -11,3 +11,4 @@ for i in fi.read():
     fo.write('0x%02x, ' % ord(i))
     if idx % 16 == 0:
         fo.write('\n')
+fo.write('\n')